Home / 48,386,445.80-72,687,803.10-40,423,821.80

Finding the Fourth Proportional to 48,386,445.80, 72,687,803.10 and 40,423,821.80

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Solution

The fourth proportional to 48,386,445.80, 72,687,803.10 and 40,423,821.80 is: 60,726,072.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,386,445.80 : 72,687,803.10 = 40,423,821.80 : x
  2. Step 2: Convert to fraction form
    48,386,445.80/72,687,803.10 = 40,423,821.80/x
  3. Step 3: Cross multiply
    48,386,445.80x = 72,687,803.10 × 40,423,821.80
  4. Step 4: Simplify right side
    48,386,445.80x = 2,938,318,799,547,887
  5. Step 5: Solve for x
    x = 2,938,318,799,547,887/48,386,445.80
  6. Step 6: Final answer
    x = 60,726,072.17

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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.