Home / 129,458,355.17-194,264,146.26-47,634,693.90

Finding the Fourth Proportional to 129,458,355.17, 194,264,146.26 and 47,634,693.90

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Solution

The fourth proportional to 129,458,355.17, 194,264,146.26 and 47,634,693.90 is: 71,480,231.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,458,355.17 : 194,264,146.26 = 47,634,693.90 : x
  2. Step 2: Convert to fraction form
    129,458,355.17/194,264,146.26 = 47,634,693.90/x
  3. Step 3: Cross multiply
    129,458,355.17x = 194,264,146.26 × 47,634,693.90
  4. Step 4: Simplify right side
    129,458,355.17x = 9,253,713,142,839,930
  5. Step 5: Solve for x
    x = 9,253,713,142,839,930/129,458,355.17
  6. Step 6: Final answer
    x = 71,480,231.08

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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.