Home / 216,630,872.87-325,101,456.50-92,220,725.93

Finding the Fourth Proportional to 216,630,872.87, 325,101,456.50 and 92,220,725.93

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Solution

The fourth proportional to 216,630,872.87, 325,101,456.50 and 92,220,725.93 is: 138,397,135.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,630,872.87 : 325,101,456.50 = 92,220,725.93 : x
  2. Step 2: Convert to fraction form
    216,630,872.87/325,101,456.50 = 92,220,725.93/x
  3. Step 3: Cross multiply
    216,630,872.87x = 325,101,456.50 × 92,220,725.93
  4. Step 4: Simplify right side
    216,630,872.87x = 29,981,092,317,243,704
  5. Step 5: Solve for x
    x = 29,981,092,317,243,704/216,630,872.87
  6. Step 6: Final answer
    x = 138,397,135.74

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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.