Home / 42,414,128.85-63,716,965.02-25,153,650.97

Finding the Fourth Proportional to 42,414,128.85, 63,716,965.02 and 25,153,650.97

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Solution

The fourth proportional to 42,414,128.85, 63,716,965.02 and 25,153,650.97 is: 37,787,273.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,414,128.85 : 63,716,965.02 = 25,153,650.97 : x
  2. Step 2: Convert to fraction form
    42,414,128.85/63,716,965.02 = 25,153,650.97/x
  3. Step 3: Cross multiply
    42,414,128.85x = 63,716,965.02 × 25,153,650.97
  4. Step 4: Simplify right side
    42,414,128.85x = 1,602,714,298,980,779
  5. Step 5: Solve for x
    x = 1,602,714,298,980,779/42,414,128.85
  6. Step 6: Final answer
    x = 37,787,273.78

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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.