Home / 132,639,947.40-198,889,062.30-55,876,247.40

Finding the Fourth Proportional to 132,639,947.40, 198,889,062.30 and 55,876,247.40

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Solution

The fourth proportional to 132,639,947.40, 198,889,062.30 and 55,876,247.40 is: 83,784,520.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,639,947.40 : 198,889,062.30 = 55,876,247.40 : x
  2. Step 2: Convert to fraction form
    132,639,947.40/198,889,062.30 = 55,876,247.40/x
  3. Step 3: Cross multiply
    132,639,947.40x = 198,889,062.30 × 55,876,247.40
  4. Step 4: Simplify right side
    132,639,947.40x = 11,113,174,450,228,814
  5. Step 5: Solve for x
    x = 11,113,174,450,228,814/132,639,947.40
  6. Step 6: Final answer
    x = 83,784,520.94

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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.