Home / 132,905,221.20-199,143,214.20-75,225,963.60

Finding the Fourth Proportional to 132,905,221.20, 199,143,214.20 and 75,225,963.60

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Solution

The fourth proportional to 132,905,221.20, 199,143,214.20 and 75,225,963.60 is: 112,717,469.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,905,221.20 : 199,143,214.20 = 75,225,963.60 : x
  2. Step 2: Convert to fraction form
    132,905,221.20/199,143,214.20 = 75,225,963.60/x
  3. Step 3: Cross multiply
    132,905,221.20x = 199,143,214.20 × 75,225,963.60
  4. Step 4: Simplify right side
    132,905,221.20x = 14,980,740,182,596,202
  5. Step 5: Solve for x
    x = 14,980,740,182,596,202/132,905,221.20
  6. Step 6: Final answer
    x = 112,717,469.24

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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.