Home / 129,489,142.20-194,233,713.30-88,674,473.40

Finding the Fourth Proportional to 129,489,142.20, 194,233,713.30 and 88,674,473.40

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Solution

The fourth proportional to 129,489,142.20, 194,233,713.30 and 88,674,473.40 is: 133,011,710.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,489,142.20 : 194,233,713.30 = 88,674,473.40 : x
  2. Step 2: Convert to fraction form
    129,489,142.20/194,233,713.30 = 88,674,473.40/x
  3. Step 3: Cross multiply
    129,489,142.20x = 194,233,713.30 × 88,674,473.40
  4. Step 4: Simplify right side
    129,489,142.20x = 17,223,572,243,404,078
  5. Step 5: Solve for x
    x = 17,223,572,243,404,078/129,489,142.20
  6. Step 6: Final answer
    x = 133,011,710.10

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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.