Home / 79,829,864.88-119,743,747.56-19,245,104.88

Finding the Fourth Proportional to 79,829,864.88, 119,743,747.56 and 19,245,104.88

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Solution

The fourth proportional to 79,829,864.88, 119,743,747.56 and 19,245,104.88 is: 28,867,404.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,829,864.88 : 119,743,747.56 = 19,245,104.88 : x
  2. Step 2: Convert to fraction form
    79,829,864.88/119,743,747.56 = 19,245,104.88/x
  3. Step 3: Cross multiply
    79,829,864.88x = 119,743,747.56 × 19,245,104.88
  4. Step 4: Simplify right side
    79,829,864.88x = 2,304,480,980,516,444
  5. Step 5: Solve for x
    x = 2,304,480,980,516,444/79,829,864.88
  6. Step 6: Final answer
    x = 28,867,404.25

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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.