Home / 147,541,535.40-221,454,020.70-74,840,406.60

Finding the Fourth Proportional to 147,541,535.40, 221,454,020.70 and 74,840,406.60

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Solution

The fourth proportional to 147,541,535.40, 221,454,020.70 and 74,840,406.60 is: 112,332,496.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,541,535.40 : 221,454,020.70 = 74,840,406.60 : x
  2. Step 2: Convert to fraction form
    147,541,535.40/221,454,020.70 = 74,840,406.60/x
  3. Step 3: Cross multiply
    147,541,535.40x = 221,454,020.70 × 74,840,406.60
  4. Step 4: Simplify right side
    147,541,535.40x = 16,573,708,952,392,814
  5. Step 5: Solve for x
    x = 16,573,708,952,392,814/147,541,535.40
  6. Step 6: Final answer
    x = 112,332,496.12

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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.