Home / 80,852,816.20-121,279,224.30-29,724,255.40

Finding the Fourth Proportional to 80,852,816.20, 121,279,224.30 and 29,724,255.40

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Solution

The fourth proportional to 80,852,816.20, 121,279,224.30 and 29,724,255.40 is: 44,586,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,816.20 : 121,279,224.30 = 29,724,255.40 : x
  2. Step 2: Convert to fraction form
    80,852,816.20/121,279,224.30 = 29,724,255.40/x
  3. Step 3: Cross multiply
    80,852,816.20x = 121,279,224.30 × 29,724,255.40
  4. Step 4: Simplify right side
    80,852,816.20x = 3,604,934,637,807,086
  5. Step 5: Solve for x
    x = 3,604,934,637,807,086/80,852,816.20
  6. Step 6: Final answer
    x = 44,586,383.10

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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.