Home / 48,262,397.61-72,352,780.50-20,948,160.81

Finding the Fourth Proportional to 48,262,397.61, 72,352,780.50 and 20,948,160.81

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Solution

The fourth proportional to 48,262,397.61, 72,352,780.50 and 20,948,160.81 is: 31,404,525.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,262,397.61 : 72,352,780.50 = 20,948,160.81 : x
  2. Step 2: Convert to fraction form
    48,262,397.61/72,352,780.50 = 20,948,160.81/x
  3. Step 3: Cross multiply
    48,262,397.61x = 72,352,780.50 × 20,948,160.81
  4. Step 4: Simplify right side
    48,262,397.61x = 1,515,657,680,964,632
  5. Step 5: Solve for x
    x = 1,515,657,680,964,632/48,262,397.61
  6. Step 6: Final answer
    x = 31,404,525.18

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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.