Home / 80,852,894.70-121,279,342.05-29,724,333.90

Finding the Fourth Proportional to 80,852,894.70, 121,279,342.05 and 29,724,333.90

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Solution

The fourth proportional to 80,852,894.70, 121,279,342.05 and 29,724,333.90 is: 44,586,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,894.70 : 121,279,342.05 = 29,724,333.90 : x
  2. Step 2: Convert to fraction form
    80,852,894.70/121,279,342.05 = 29,724,333.90/x
  3. Step 3: Cross multiply
    80,852,894.70x = 121,279,342.05 × 29,724,333.90
  4. Step 4: Simplify right side
    80,852,894.70x = 3,604,947,658,266,510
  5. Step 5: Solve for x
    x = 3,604,947,658,266,510/80,852,894.70
  6. Step 6: Final answer
    x = 44,586,500.85

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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.