Home / 71,959,532.60-107,932,606.65-20,148,824.66

Finding the Fourth Proportional to 71,959,532.60, 107,932,606.65 and 20,148,824.66

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Solution

The fourth proportional to 71,959,532.60, 107,932,606.65 and 20,148,824.66 is: 30,221,363.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,959,532.60 : 107,932,606.65 = 20,148,824.66 : x
  2. Step 2: Convert to fraction form
    71,959,532.60/107,932,606.65 = 20,148,824.66/x
  3. Step 3: Cross multiply
    71,959,532.60x = 107,932,606.65 × 20,148,824.66
  4. Step 4: Simplify right side
    71,959,532.60x = 2,174,715,166,487,600.25
  5. Step 5: Solve for x
    x = 2,174,715,166,487,600.25/71,959,532.60
  6. Step 6: Final answer
    x = 30,221,363.15

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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.