Home / 67,154,422.60-100,731,633.90-21,720,809.80

Finding the Fourth Proportional to 67,154,422.60, 100,731,633.90 and 21,720,809.80

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Solution

The fourth proportional to 67,154,422.60, 100,731,633.90 and 21,720,809.80 is: 32,581,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,154,422.60 : 100,731,633.90 = 21,720,809.80 : x
  2. Step 2: Convert to fraction form
    67,154,422.60/100,731,633.90 = 21,720,809.80/x
  3. Step 3: Cross multiply
    67,154,422.60x = 100,731,633.90 × 21,720,809.80
  4. Step 4: Simplify right side
    67,154,422.60x = 2,187,972,660,785,132.50
  5. Step 5: Solve for x
    x = 2,187,972,660,785,132.50/67,154,422.60
  6. Step 6: Final answer
    x = 32,581,214.70

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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.