Home / 89,929,680.93-134,690,217.60-70,377,053.13

Finding the Fourth Proportional to 89,929,680.93, 134,690,217.60 and 70,377,053.13

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Solution

The fourth proportional to 89,929,680.93, 134,690,217.60 and 70,377,053.13 is: 105,405,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,929,680.93 : 134,690,217.60 = 70,377,053.13 : x
  2. Step 2: Convert to fraction form
    89,929,680.93/134,690,217.60 = 70,377,053.13/x
  3. Step 3: Cross multiply
    89,929,680.93x = 134,690,217.60 × 70,377,053.13
  4. Step 4: Simplify right side
    89,929,680.93x = 9,479,100,600,126,460
  5. Step 5: Solve for x
    x = 9,479,100,600,126,460/89,929,680.93
  6. Step 6: Final answer
    x = 105,405,695.90

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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.