Home / 47,277,398.45-65,217,998.21-38,466,701.78

Finding the Fourth Proportional to 47,277,398.45, 65,217,998.21 and 38,466,701.78

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Solution

The fourth proportional to 47,277,398.45, 65,217,998.21 and 38,466,701.78 is: 53,063,860.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,277,398.45 : 65,217,998.21 = 38,466,701.78 : x
  2. Step 2: Convert to fraction form
    47,277,398.45/65,217,998.21 = 38,466,701.78/x
  3. Step 3: Cross multiply
    47,277,398.45x = 65,217,998.21 × 38,466,701.78
  4. Step 4: Simplify right side
    47,277,398.45x = 2,508,721,287,314,220
  5. Step 5: Solve for x
    x = 2,508,721,287,314,220/47,277,398.45
  6. Step 6: Final answer
    x = 53,063,860.73

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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.