Home / 83,561,307.15-115,315,021.23-52,217,556.45

Finding the Fourth Proportional to 83,561,307.15, 115,315,021.23 and 52,217,556.45

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Solution

The fourth proportional to 83,561,307.15, 115,315,021.23 and 52,217,556.45 is: 72,060,488.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,561,307.15 : 115,315,021.23 = 52,217,556.45 : x
  2. Step 2: Convert to fraction form
    83,561,307.15/115,315,021.23 = 52,217,556.45/x
  3. Step 3: Cross multiply
    83,561,307.15x = 115,315,021.23 × 52,217,556.45
  4. Step 4: Simplify right side
    83,561,307.15x = 6,021,468,630,610,474
  5. Step 5: Solve for x
    x = 6,021,468,630,610,474/83,561,307.15
  6. Step 6: Final answer
    x = 72,060,488.71

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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.