Home / 129,364,064.10-194,049,206.55-38,490,617.70

Finding the Fourth Proportional to 129,364,064.10, 194,049,206.55 and 38,490,617.70

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Solution

The fourth proportional to 129,364,064.10, 194,049,206.55 and 38,490,617.70 is: 57,736,852.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,364,064.10 : 194,049,206.55 = 38,490,617.70 : x
  2. Step 2: Convert to fraction form
    129,364,064.10/194,049,206.55 = 38,490,617.70/x
  3. Step 3: Cross multiply
    129,364,064.10x = 194,049,206.55 × 38,490,617.70
  4. Step 4: Simplify right side
    129,364,064.10x = 7,469,073,824,304,387
  5. Step 5: Solve for x
    x = 7,469,073,824,304,387/129,364,064.10
  6. Step 6: Final answer
    x = 57,736,852.01

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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.