Home / 143,650,925.66-198,238,882.78-80,927,776.18

Finding the Fourth Proportional to 143,650,925.66, 198,238,882.78 and 80,927,776.18

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Solution

The fourth proportional to 143,650,925.66, 198,238,882.78 and 80,927,776.18 is: 111,680,672.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,650,925.66 : 198,238,882.78 = 80,927,776.18 : x
  2. Step 2: Convert to fraction form
    143,650,925.66/198,238,882.78 = 80,927,776.18/x
  3. Step 3: Cross multiply
    143,650,925.66x = 198,238,882.78 × 80,927,776.18
  4. Step 4: Simplify right side
    143,650,925.66x = 16,043,031,935,793,098
  5. Step 5: Solve for x
    x = 16,043,031,935,793,098/143,650,925.66
  6. Step 6: Final answer
    x = 111,680,672.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.