Home / 61,709,389.29-85,167,633.04-38,195,468.55

Finding the Fourth Proportional to 61,709,389.29, 85,167,633.04 and 38,195,468.55

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Solution

The fourth proportional to 61,709,389.29, 85,167,633.04 and 38,195,468.55 is: 52,715,116.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,709,389.29 : 85,167,633.04 = 38,195,468.55 : x
  2. Step 2: Convert to fraction form
    61,709,389.29/85,167,633.04 = 38,195,468.55/x
  3. Step 3: Cross multiply
    61,709,389.29x = 85,167,633.04 × 38,195,468.55
  4. Step 4: Simplify right side
    61,709,389.29x = 3,253,017,649,161,771.50
  5. Step 5: Solve for x
    x = 3,253,017,649,161,771.50/61,709,389.29
  6. Step 6: Final answer
    x = 52,715,116.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.