Home / 129,487,672.70-194,231,509.05-100,577,282.30

Finding the Fourth Proportional to 129,487,672.70, 194,231,509.05 and 100,577,282.30

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Solution

The fourth proportional to 129,487,672.70, 194,231,509.05 and 100,577,282.30 is: 150,865,923.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,487,672.70 : 194,231,509.05 = 100,577,282.30 : x
  2. Step 2: Convert to fraction form
    129,487,672.70/194,231,509.05 = 100,577,282.30/x
  3. Step 3: Cross multiply
    129,487,672.70x = 194,231,509.05 × 100,577,282.30
  4. Step 4: Simplify right side
    129,487,672.70x = 19,535,277,317,276,856
  5. Step 5: Solve for x
    x = 19,535,277,317,276,856/129,487,672.70
  6. Step 6: Final answer
    x = 150,865,923.45

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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.