Home / 80,852,861.20-121,279,291.80-29,724,300.40

Finding the Fourth Proportional to 80,852,861.20, 121,279,291.80 and 29,724,300.40

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Solution

The fourth proportional to 80,852,861.20, 121,279,291.80 and 29,724,300.40 is: 44,586,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,861.20 : 121,279,291.80 = 29,724,300.40 : x
  2. Step 2: Convert to fraction form
    80,852,861.20/121,279,291.80 = 29,724,300.40/x
  3. Step 3: Cross multiply
    80,852,861.20x = 121,279,291.80 × 29,724,300.40
  4. Step 4: Simplify right side
    80,852,861.20x = 3,604,942,101,762,456.50
  5. Step 5: Solve for x
    x = 3,604,942,101,762,456.50/80,852,861.20
  6. Step 6: Final answer
    x = 44,586,450.60

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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.