Home / 55,658,411.15-76,799,945.43-31,815,697.95

Finding the Fourth Proportional to 55,658,411.15, 76,799,945.43 and 31,815,697.95

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Solution

The fourth proportional to 55,658,411.15, 76,799,945.43 and 31,815,697.95 is: 43,900,711.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,658,411.15 : 76,799,945.43 = 31,815,697.95 : x
  2. Step 2: Convert to fraction form
    55,658,411.15/76,799,945.43 = 31,815,697.95/x
  3. Step 3: Cross multiply
    55,658,411.15x = 76,799,945.43 × 31,815,697.95
  4. Step 4: Simplify right side
    55,658,411.15x = 2,443,443,866,377,363
  5. Step 5: Solve for x
    x = 2,443,443,866,377,363/55,658,411.15
  6. Step 6: Final answer
    x = 43,900,711.79

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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.