Home / 66,429,842.20-99,686,753.70-39,136,082.20

Finding the Fourth Proportional to 66,429,842.20, 99,686,753.70 and 39,136,082.20

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Solution

The fourth proportional to 66,429,842.20, 99,686,753.70 and 39,136,082.20 is: 58,728,861.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,429,842.20 : 99,686,753.70 = 39,136,082.20 : x
  2. Step 2: Convert to fraction form
    66,429,842.20/99,686,753.70 = 39,136,082.20/x
  3. Step 3: Cross multiply
    66,429,842.20x = 99,686,753.70 × 39,136,082.20
  4. Step 4: Simplify right side
    66,429,842.20x = 3,901,348,987,054,354.50
  5. Step 5: Solve for x
    x = 3,901,348,987,054,354.50/66,429,842.20
  6. Step 6: Final answer
    x = 58,728,861.27

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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.