Home / 80,852,891.70-121,279,337.55-29,724,330.90

Finding the Fourth Proportional to 80,852,891.70, 121,279,337.55 and 29,724,330.90

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Solution

The fourth proportional to 80,852,891.70, 121,279,337.55 and 29,724,330.90 is: 44,586,496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,891.70 : 121,279,337.55 = 29,724,330.90 : x
  2. Step 2: Convert to fraction form
    80,852,891.70/121,279,337.55 = 29,724,330.90/x
  3. Step 3: Cross multiply
    80,852,891.70x = 121,279,337.55 × 29,724,330.90
  4. Step 4: Simplify right side
    80,852,891.70x = 3,604,947,160,668,995
  5. Step 5: Solve for x
    x = 3,604,947,160,668,995/80,852,891.70
  6. Step 6: Final answer
    x = 44,586,496.35

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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.