Home / 80,695,329.44-111,339,795.51-45,406,253.85

Finding the Fourth Proportional to 80,695,329.44, 111,339,795.51 and 45,406,253.85

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Solution

The fourth proportional to 80,695,329.44, 111,339,795.51 and 45,406,253.85 is: 62,649,512.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,695,329.44 : 111,339,795.51 = 45,406,253.85 : x
  2. Step 2: Convert to fraction form
    80,695,329.44/111,339,795.51 = 45,406,253.85/x
  3. Step 3: Cross multiply
    80,695,329.44x = 111,339,795.51 × 45,406,253.85
  4. Step 4: Simplify right side
    80,695,329.44x = 5,055,523,018,464,561
  5. Step 5: Solve for x
    x = 5,055,523,018,464,561/80,695,329.44
  6. Step 6: Final answer
    x = 62,649,512.11

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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.