Home / 147,595,105.20-221,487,136.20-86,184,145.20

Finding the Fourth Proportional to 147,595,105.20, 221,487,136.20 and 86,184,145.20

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Solution

The fourth proportional to 147,595,105.20, 221,487,136.20 and 86,184,145.20 is: 129,331,385.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,595,105.20 : 221,487,136.20 = 86,184,145.20 : x
  2. Step 2: Convert to fraction form
    147,595,105.20/221,487,136.20 = 86,184,145.20/x
  3. Step 3: Cross multiply
    147,595,105.20x = 221,487,136.20 × 86,184,145.20
  4. Step 4: Simplify right side
    147,595,105.20x = 19,088,679,506,192,976
  5. Step 5: Solve for x
    x = 19,088,679,506,192,976/147,595,105.20
  6. Step 6: Final answer
    x = 129,331,385.89

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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.