Home / 107,839,000.70-161,758,501.05-88,691,378.30

Finding the Fourth Proportional to 107,839,000.70, 161,758,501.05 and 88,691,378.30

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Solution

The fourth proportional to 107,839,000.70, 161,758,501.05 and 88,691,378.30 is: 133,037,067.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,839,000.70 : 161,758,501.05 = 88,691,378.30 : x
  2. Step 2: Convert to fraction form
    107,839,000.70/161,758,501.05 = 88,691,378.30/x
  3. Step 3: Cross multiply
    107,839,000.70x = 161,758,501.05 × 88,691,378.30
  4. Step 4: Simplify right side
    107,839,000.70x = 14,346,584,409,866,498
  5. Step 5: Solve for x
    x = 14,346,584,409,866,498/107,839,000.70
  6. Step 6: Final answer
    x = 133,037,067.45

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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.