Home / 117,031,537.76-175,394,694-65,213,967.20

Finding the Fourth Proportional to 117,031,537.76, 175,394,694 and 65,213,967.20

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Solution

The fourth proportional to 117,031,537.76, 175,394,694 and 65,213,967.20 is: 97,735,909.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,031,537.76 : 175,394,694 = 65,213,967.20 : x
  2. Step 2: Convert to fraction form
    117,031,537.76/175,394,694 = 65,213,967.20/x
  3. Step 3: Cross multiply
    117,031,537.76x = 175,394,694 × 65,213,967.20
  4. Step 4: Simplify right side
    117,031,537.76x = 11,438,183,821,570,038
  5. Step 5: Solve for x
    x = 11,438,183,821,570,038/117,031,537.76
  6. Step 6: Final answer
    x = 97,735,909.83

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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.