Home / 207,451,407.70-311,177,111.55-195,547,129.30

Finding the Fourth Proportional to 207,451,407.70, 311,177,111.55 and 195,547,129.30

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Solution

The fourth proportional to 207,451,407.70, 311,177,111.55 and 195,547,129.30 is: 293,320,693.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,451,407.70 : 311,177,111.55 = 195,547,129.30 : x
  2. Step 2: Convert to fraction form
    207,451,407.70/311,177,111.55 = 195,547,129.30/x
  3. Step 3: Cross multiply
    207,451,407.70x = 311,177,111.55 × 195,547,129.30
  4. Step 4: Simplify right side
    207,451,407.70x = 60,849,790,867,468,376
  5. Step 5: Solve for x
    x = 60,849,790,867,468,376/207,451,407.70
  6. Step 6: Final answer
    x = 293,320,693.95

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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.