Home / 52,488,098.70-78,732,148.05-51,637,793.10

Finding the Fourth Proportional to 52,488,098.70, 78,732,148.05 and 51,637,793.10

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Solution

The fourth proportional to 52,488,098.70, 78,732,148.05 and 51,637,793.10 is: 77,456,689.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,098.70 : 78,732,148.05 = 51,637,793.10 : x
  2. Step 2: Convert to fraction form
    52,488,098.70/78,732,148.05 = 51,637,793.10/x
  3. Step 3: Cross multiply
    52,488,098.70x = 78,732,148.05 × 51,637,793.10
  4. Step 4: Simplify right side
    52,488,098.70x = 4,065,554,371,324,468.50
  5. Step 5: Solve for x
    x = 4,065,554,371,324,468.50/52,488,098.70
  6. Step 6: Final answer
    x = 77,456,689.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.