Home / 80,852,824.20-121,279,236.30-29,724,263.40

Finding the Fourth Proportional to 80,852,824.20, 121,279,236.30 and 29,724,263.40

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Solution

The fourth proportional to 80,852,824.20, 121,279,236.30 and 29,724,263.40 is: 44,586,395.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,824.20 : 121,279,236.30 = 29,724,263.40 : x
  2. Step 2: Convert to fraction form
    80,852,824.20/121,279,236.30 = 29,724,263.40/x
  3. Step 3: Cross multiply
    80,852,824.20x = 121,279,236.30 × 29,724,263.40
  4. Step 4: Simplify right side
    80,852,824.20x = 3,604,935,964,732,041
  5. Step 5: Solve for x
    x = 3,604,935,964,732,041/80,852,824.20
  6. Step 6: Final answer
    x = 44,586,395.10

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1.5x scale

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.