Home / 193,156,723.30-289,635,552.15-71,925,772.90

Finding the Fourth Proportional to 193,156,723.30, 289,635,552.15 and 71,925,772.90

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Solution

The fourth proportional to 193,156,723.30, 289,635,552.15 and 71,925,772.90 is: 107,851,596.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,156,723.30 : 289,635,552.15 = 71,925,772.90 : x
  2. Step 2: Convert to fraction form
    193,156,723.30/289,635,552.15 = 71,925,772.90/x
  3. Step 3: Cross multiply
    193,156,723.30x = 289,635,552.15 × 71,925,772.90
  4. Step 4: Simplify right side
    193,156,723.30x = 20,832,260,947,707,008
  5. Step 5: Solve for x
    x = 20,832,260,947,707,008/193,156,723.30
  6. Step 6: Final answer
    x = 107,851,596.32

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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.