Home / 218,154,967.80-327,232,451.70-136,525,630.20

Finding the Fourth Proportional to 218,154,967.80, 327,232,451.70 and 136,525,630.20

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Solution

The fourth proportional to 218,154,967.80, 327,232,451.70 and 136,525,630.20 is: 204,788,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,154,967.80 : 327,232,451.70 = 136,525,630.20 : x
  2. Step 2: Convert to fraction form
    218,154,967.80/327,232,451.70 = 136,525,630.20/x
  3. Step 3: Cross multiply
    218,154,967.80x = 327,232,451.70 × 136,525,630.20
  4. Step 4: Simplify right side
    218,154,967.80x = 44,675,616,690,233,552
  5. Step 5: Solve for x
    x = 44,675,616,690,233,552/218,154,967.80
  6. Step 6: Final answer
    x = 204,788,445.30

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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.