Home / 131,098,908.90-196,648,363.35-82,631,489.70

Finding the Fourth Proportional to 131,098,908.90, 196,648,363.35 and 82,631,489.70

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Solution

The fourth proportional to 131,098,908.90, 196,648,363.35 and 82,631,489.70 is: 123,947,234.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,098,908.90 : 196,648,363.35 = 82,631,489.70 : x
  2. Step 2: Convert to fraction form
    131,098,908.90/196,648,363.35 = 82,631,489.70/x
  3. Step 3: Cross multiply
    131,098,908.90x = 196,648,363.35 × 82,631,489.70
  4. Step 4: Simplify right side
    131,098,908.90x = 16,249,347,210,677,382
  5. Step 5: Solve for x
    x = 16,249,347,210,677,382/131,098,908.90
  6. Step 6: Final answer
    x = 123,947,234.55

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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.