Home / 51,997,635.05-71,755,856.61-28,792,263.78

Finding the Fourth Proportional to 51,997,635.05, 71,755,856.61 and 28,792,263.78

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Solution

The fourth proportional to 51,997,635.05, 71,755,856.61 and 28,792,263.78 is: 39,732,836.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,997,635.05 : 71,755,856.61 = 28,792,263.78 : x
  2. Step 2: Convert to fraction form
    51,997,635.05/71,755,856.61 = 28,792,263.78/x
  3. Step 3: Cross multiply
    51,997,635.05x = 71,755,856.61 × 28,792,263.78
  4. Step 4: Simplify right side
    51,997,635.05x = 2,066,013,551,167,005.75
  5. Step 5: Solve for x
    x = 2,066,013,551,167,005.75/51,997,635.05
  6. Step 6: Final answer
    x = 39,732,836.88

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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.