Home / 129,487,744.20-194,231,616.30-88,673,075.40

Finding the Fourth Proportional to 129,487,744.20, 194,231,616.30 and 88,673,075.40

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Solution

The fourth proportional to 129,487,744.20, 194,231,616.30 and 88,673,075.40 is: 133,009,613.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,487,744.20 : 194,231,616.30 = 88,673,075.40 : x
  2. Step 2: Convert to fraction form
    129,487,744.20/194,231,616.30 = 88,673,075.40/x
  3. Step 3: Cross multiply
    129,487,744.20x = 194,231,616.30 × 88,673,075.40
  4. Step 4: Simplify right side
    129,487,744.20x = 17,223,114,757,233,772
  5. Step 5: Solve for x
    x = 17,223,114,757,233,772/129,487,744.20
  6. Step 6: Final answer
    x = 133,009,613.10

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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.