Home / 67,426,291.60-101,153,434.20-21,991,512.40

Finding the Fourth Proportional to 67,426,291.60, 101,153,434.20 and 21,991,512.40

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Solution

The fourth proportional to 67,426,291.60, 101,153,434.20 and 21,991,512.40 is: 32,991,833.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,426,291.60 : 101,153,434.20 = 21,991,512.40 : x
  2. Step 2: Convert to fraction form
    67,426,291.60/101,153,434.20 = 21,991,512.40/x
  3. Step 3: Cross multiply
    67,426,291.60x = 101,153,434.20 × 21,991,512.40
  4. Step 4: Simplify right side
    67,426,291.60x = 2,224,517,002,511,884
  5. Step 5: Solve for x
    x = 2,224,517,002,511,884/67,426,291.60
  6. Step 6: Final answer
    x = 32,991,833.75

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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.