Home / 87,116,822.16-130,697,655.52-25,703,500.16

Finding the Fourth Proportional to 87,116,822.16, 130,697,655.52 and 25,703,500.16

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Solution

The fourth proportional to 87,116,822.16, 130,697,655.52 and 25,703,500.16 is: 38,561,865.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,116,822.16 : 130,697,655.52 = 25,703,500.16 : x
  2. Step 2: Convert to fraction form
    87,116,822.16/130,697,655.52 = 25,703,500.16/x
  3. Step 3: Cross multiply
    87,116,822.16x = 130,697,655.52 × 25,703,500.16
  4. Step 4: Simplify right side
    87,116,822.16x = 3,359,387,209,569,945
  5. Step 5: Solve for x
    x = 3,359,387,209,569,945/87,116,822.16
  6. Step 6: Final answer
    x = 38,561,865.85

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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.