Home / 132,102,357.60-198,153,536.40-86,185,855.20

Finding the Fourth Proportional to 132,102,357.60, 198,153,536.40 and 86,185,855.20

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Solution

The fourth proportional to 132,102,357.60, 198,153,536.40 and 86,185,855.20 is: 129,278,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,102,357.60 : 198,153,536.40 = 86,185,855.20 : x
  2. Step 2: Convert to fraction form
    132,102,357.60/198,153,536.40 = 86,185,855.20/x
  3. Step 3: Cross multiply
    132,102,357.60x = 198,153,536.40 × 86,185,855.20
  4. Step 4: Simplify right side
    132,102,357.60x = 17,078,031,995,538,330
  5. Step 5: Solve for x
    x = 17,078,031,995,538,330/132,102,357.60
  6. Step 6: Final answer
    x = 129,278,782.80

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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.