Home / 69,781,348.18-96,298,263.21-38,840,854.78

Finding the Fourth Proportional to 69,781,348.18, 96,298,263.21 and 38,840,854.78

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Solution

The fourth proportional to 69,781,348.18, 96,298,263.21 and 38,840,854.78 is: 53,600,381.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,781,348.18 : 96,298,263.21 = 38,840,854.78 : x
  2. Step 2: Convert to fraction form
    69,781,348.18/96,298,263.21 = 38,840,854.78/x
  3. Step 3: Cross multiply
    69,781,348.18x = 96,298,263.21 × 38,840,854.78
  4. Step 4: Simplify right side
    69,781,348.18x = 3,740,306,856,905,826.50
  5. Step 5: Solve for x
    x = 3,740,306,856,905,826.50/69,781,348.18
  6. Step 6: Final answer
    x = 53,600,381.11

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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.