Home / 147,434,903,998.20-221,152,355,997.30-143,302,418,782.20

Finding the Fourth Proportional to 147,434,903,998.20, 221,152,355,997.30 and 143,302,418,782.20

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Solution

The fourth proportional to 147,434,903,998.20, 221,152,355,997.30 and 143,302,418,782.20 is: 214,953,628,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,434,903,998.20 : 221,152,355,997.30 = 143,302,418,782.20 : x
  2. Step 2: Convert to fraction form
    147,434,903,998.20/221,152,355,997.30 = 143,302,418,782.20/x
  3. Step 3: Cross multiply
    147,434,903,998.20x = 221,152,355,997.30 × 143,302,418,782.20
  4. Step 4: Simplify right side
    147,434,903,998.20x = 31,691,667,533,795,266,920,448
  5. Step 5: Solve for x
    x = 31,691,667,533,795,266,920,448/147,434,903,998.20
  6. Step 6: Final answer
    x = 214,953,628,173.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.