Home / 72,583,414.20-108,875,121.30-18,730,726.20

Finding the Fourth Proportional to 72,583,414.20, 108,875,121.30 and 18,730,726.20

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Solution

The fourth proportional to 72,583,414.20, 108,875,121.30 and 18,730,726.20 is: 28,096,089.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,583,414.20 : 108,875,121.30 = 18,730,726.20 : x
  2. Step 2: Convert to fraction form
    72,583,414.20/108,875,121.30 = 18,730,726.20/x
  3. Step 3: Cross multiply
    72,583,414.20x = 108,875,121.30 × 18,730,726.20
  4. Step 4: Simplify right side
    72,583,414.20x = 2,039,310,087,062,088
  5. Step 5: Solve for x
    x = 2,039,310,087,062,088/72,583,414.20
  6. Step 6: Final answer
    x = 28,096,089.30

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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.