Home / 84,092,441.70-126,138,662.55-82,675,265.70

Finding the Fourth Proportional to 84,092,441.70, 126,138,662.55 and 82,675,265.70

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Solution

The fourth proportional to 84,092,441.70, 126,138,662.55 and 82,675,265.70 is: 124,012,898.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,092,441.70 : 126,138,662.55 = 82,675,265.70 : x
  2. Step 2: Convert to fraction form
    84,092,441.70/126,138,662.55 = 82,675,265.70/x
  3. Step 3: Cross multiply
    84,092,441.70x = 126,138,662.55 × 82,675,265.70
  4. Step 4: Simplify right side
    84,092,441.70x = 10,428,547,441,363,890
  5. Step 5: Solve for x
    x = 10,428,547,441,363,890/84,092,441.70
  6. Step 6: Final answer
    x = 124,012,898.55

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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.