Home / 42,569,990.20-63,863,279.70-17,006,649.40

Finding the Fourth Proportional to 42,569,990.20, 63,863,279.70 and 17,006,649.40

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Solution

The fourth proportional to 42,569,990.20, 63,863,279.70 and 17,006,649.40 is: 25,513,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,569,990.20 : 63,863,279.70 = 17,006,649.40 : x
  2. Step 2: Convert to fraction form
    42,569,990.20/63,863,279.70 = 17,006,649.40/x
  3. Step 3: Cross multiply
    42,569,990.20x = 63,863,279.70 × 17,006,649.40
  4. Step 4: Simplify right side
    42,569,990.20x = 1,086,100,407,392,037.12
  5. Step 5: Solve for x
    x = 1,086,100,407,392,037.12/42,569,990.20
  6. Step 6: Final answer
    x = 25,513,287.70

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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.