Home / 87,356,363.10-130,522,823.36-84,301,332.06

Finding the Fourth Proportional to 87,356,363.10, 130,522,823.36 and 84,301,332.06

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Solution

The fourth proportional to 87,356,363.10, 130,522,823.36 and 84,301,332.06 is: 125,958,172.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,356,363.10 : 130,522,823.36 = 84,301,332.06 : x
  2. Step 2: Convert to fraction form
    87,356,363.10/130,522,823.36 = 84,301,332.06/x
  3. Step 3: Cross multiply
    87,356,363.10x = 130,522,823.36 × 84,301,332.06
  4. Step 4: Simplify right side
    87,356,363.10x = 11,003,247,873,058,578
  5. Step 5: Solve for x
    x = 11,003,247,873,058,578/87,356,363.10
  6. Step 6: Final answer
    x = 125,958,172.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.