Home / 83,561,307.65-115,315,021.92-52,217,556.95

Finding the Fourth Proportional to 83,561,307.65, 115,315,021.92 and 52,217,556.95

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Solution

The fourth proportional to 83,561,307.65, 115,315,021.92 and 52,217,556.95 is: 72,060,489.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,561,307.65 : 115,315,021.92 = 52,217,556.95 : x
  2. Step 2: Convert to fraction form
    83,561,307.65/115,315,021.92 = 52,217,556.95/x
  3. Step 3: Cross multiply
    83,561,307.65x = 115,315,021.92 × 52,217,556.95
  4. Step 4: Simplify right side
    83,561,307.65x = 6,021,468,724,298,099
  5. Step 5: Solve for x
    x = 6,021,468,724,298,099/83,561,307.65
  6. Step 6: Final answer
    x = 72,060,489.40

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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.