Home / 67,157,434.60-100,736,151.90-21,723,821.80

Finding the Fourth Proportional to 67,157,434.60, 100,736,151.90 and 21,723,821.80

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Solution

The fourth proportional to 67,157,434.60, 100,736,151.90 and 21,723,821.80 is: 32,585,732.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,157,434.60 : 100,736,151.90 = 21,723,821.80 : x
  2. Step 2: Convert to fraction form
    67,157,434.60/100,736,151.90 = 21,723,821.80/x
  3. Step 3: Cross multiply
    67,157,434.60x = 100,736,151.90 × 21,723,821.80
  4. Step 4: Simplify right side
    67,157,434.60x = 2,188,374,212,693,331.50
  5. Step 5: Solve for x
    x = 2,188,374,212,693,331.50/67,157,434.60
  6. Step 6: Final answer
    x = 32,585,732.70

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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.