Home / 87,808,724.65-121,175,945.34-48,117,223.21

Finding the Fourth Proportional to 87,808,724.65, 121,175,945.34 and 48,117,223.21

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Solution

The fourth proportional to 87,808,724.65, 121,175,945.34 and 48,117,223.21 is: 66,401,716.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,808,724.65 : 121,175,945.34 = 48,117,223.21 : x
  2. Step 2: Convert to fraction form
    87,808,724.65/121,175,945.34 = 48,117,223.21/x
  3. Step 3: Cross multiply
    87,808,724.65x = 121,175,945.34 × 48,117,223.21
  4. Step 4: Simplify right side
    87,808,724.65x = 5,830,650,009,607,540
  5. Step 5: Solve for x
    x = 5,830,650,009,607,540/87,808,724.65
  6. Step 6: Final answer
    x = 66,401,716.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.