Home / 88,654,340.40-132,981,510.60-86,663,684.40

Finding the Fourth Proportional to 88,654,340.40, 132,981,510.60 and 86,663,684.40

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Solution

The fourth proportional to 88,654,340.40, 132,981,510.60 and 86,663,684.40 is: 129,995,526.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,654,340.40 : 132,981,510.60 = 86,663,684.40 : x
  2. Step 2: Convert to fraction form
    88,654,340.40/132,981,510.60 = 86,663,684.40/x
  3. Step 3: Cross multiply
    88,654,340.40x = 132,981,510.60 × 86,663,684.40
  4. Step 4: Simplify right side
    88,654,340.40x = 11,524,667,665,673,654
  5. Step 5: Solve for x
    x = 11,524,667,665,673,654/88,654,340.40
  6. Step 6: Final answer
    x = 129,995,526.60

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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.