Home / 48,386,115.80-72,687,308.10-40,423,491.80

Finding the Fourth Proportional to 48,386,115.80, 72,687,308.10 and 40,423,491.80

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Solution

The fourth proportional to 48,386,115.80, 72,687,308.10 and 40,423,491.80 is: 60,725,577.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,386,115.80 : 72,687,308.10 = 40,423,491.80 : x
  2. Step 2: Convert to fraction form
    48,386,115.80/72,687,308.10 = 40,423,491.80/x
  3. Step 3: Cross multiply
    48,386,115.80x = 72,687,308.10 × 40,423,491.80
  4. Step 4: Simplify right side
    48,386,115.80x = 2,938,274,802,944,423
  5. Step 5: Solve for x
    x = 2,938,274,802,944,423/48,386,115.80
  6. Step 6: Final answer
    x = 60,725,577.05

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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.