Home / 129,489,154.20-194,233,731.30-88,674,485.40

Finding the Fourth Proportional to 129,489,154.20, 194,233,731.30 and 88,674,485.40

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Solution

The fourth proportional to 129,489,154.20, 194,233,731.30 and 88,674,485.40 is: 133,011,728.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,489,154.20 : 194,233,731.30 = 88,674,485.40 : x
  2. Step 2: Convert to fraction form
    129,489,154.20/194,233,731.30 = 88,674,485.40/x
  3. Step 3: Cross multiply
    129,489,154.20x = 194,233,731.30 × 88,674,485.40
  4. Step 4: Simplify right side
    129,489,154.20x = 17,223,576,170,349,376
  5. Step 5: Solve for x
    x = 17,223,576,170,349,376/129,489,154.20
  6. Step 6: Final answer
    x = 133,011,728.10

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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.