Home / 66,343,773.12-91,554,861.48-36,976,997.72

Finding the Fourth Proportional to 66,343,773.12, 91,554,861.48 and 36,976,997.72

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Solution

The fourth proportional to 66,343,773.12, 91,554,861.48 and 36,976,997.72 is: 51,028,510.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,343,773.12 : 91,554,861.48 = 36,976,997.72 : x
  2. Step 2: Convert to fraction form
    66,343,773.12/91,554,861.48 = 36,976,997.72/x
  3. Step 3: Cross multiply
    66,343,773.12x = 91,554,861.48 × 36,976,997.72
  4. Step 4: Simplify right side
    66,343,773.12x = 3,385,423,904,200,876
  5. Step 5: Solve for x
    x = 3,385,423,904,200,876/66,343,773.12
  6. Step 6: Final answer
    x = 51,028,510.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.