Home / 129,926,377.74-194,920,124.40-37,812,102.78

Finding the Fourth Proportional to 129,926,377.74, 194,920,124.40 and 37,812,102.78

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Solution

The fourth proportional to 129,926,377.74, 194,920,124.40 and 37,812,102.78 is: 56,727,047.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,926,377.74 : 194,920,124.40 = 37,812,102.78 : x
  2. Step 2: Convert to fraction form
    129,926,377.74/194,920,124.40 = 37,812,102.78/x
  3. Step 3: Cross multiply
    129,926,377.74x = 194,920,124.40 × 37,812,102.78
  4. Step 4: Simplify right side
    129,926,377.74x = 7,370,339,777,703,186
  5. Step 5: Solve for x
    x = 7,370,339,777,703,186/129,926,377.74
  6. Step 6: Final answer
    x = 56,727,047.32

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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.