Home / 87,687,320.10-123,030,986.70-87,687,320.10

Finding the Fourth Proportional to 87,687,320.10, 123,030,986.70 and 87,687,320.10

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Solution

The fourth proportional to 87,687,320.10, 123,030,986.70 and 87,687,320.10 is: 123,030,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,687,320.10 : 123,030,986.70 = 87,687,320.10 : x
  2. Step 2: Convert to fraction form
    87,687,320.10/123,030,986.70 = 87,687,320.10/x
  3. Step 3: Cross multiply
    87,687,320.10x = 123,030,986.70 × 87,687,320.10
  4. Step 4: Simplify right side
    87,687,320.10x = 10,788,257,512,981,742
  5. Step 5: Solve for x
    x = 10,788,257,512,981,742/87,687,320.10
  6. Step 6: Final answer
    x = 123,030,986.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.