Home / 132,343,947.20-198,515,920.80-95,780,806.40

Finding the Fourth Proportional to 132,343,947.20, 198,515,920.80 and 95,780,806.40

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Solution

The fourth proportional to 132,343,947.20, 198,515,920.80 and 95,780,806.40 is: 143,671,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,343,947.20 : 198,515,920.80 = 95,780,806.40 : x
  2. Step 2: Convert to fraction form
    132,343,947.20/198,515,920.80 = 95,780,806.40/x
  3. Step 3: Cross multiply
    132,343,947.20x = 198,515,920.80 × 95,780,806.40
  4. Step 4: Simplify right side
    132,343,947.20x = 19,014,014,977,462,536
  5. Step 5: Solve for x
    x = 19,014,014,977,462,536/132,343,947.20
  6. Step 6: Final answer
    x = 143,671,209.60

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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.