Home / 88,654,325.40-132,981,488.10-86,663,669.40

Finding the Fourth Proportional to 88,654,325.40, 132,981,488.10 and 86,663,669.40

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Solution

The fourth proportional to 88,654,325.40, 132,981,488.10 and 86,663,669.40 is: 129,995,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,654,325.40 : 132,981,488.10 = 86,663,669.40 : x
  2. Step 2: Convert to fraction form
    88,654,325.40/132,981,488.10 = 86,663,669.40/x
  3. Step 3: Cross multiply
    88,654,325.40x = 132,981,488.10 × 86,663,669.40
  4. Step 4: Simplify right side
    88,654,325.40x = 11,524,663,721,018,434
  5. Step 5: Solve for x
    x = 11,524,663,721,018,434/88,654,325.40
  6. Step 6: Final answer
    x = 129,995,504.10

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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.