Home / 80,744,747.85-121,117,121.78-37,698,026.85

Finding the Fourth Proportional to 80,744,747.85, 121,117,121.78 and 37,698,026.85

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Solution

The fourth proportional to 80,744,747.85, 121,117,121.78 and 37,698,026.85 is: 56,547,040.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,744,747.85 : 121,117,121.78 = 37,698,026.85 : x
  2. Step 2: Convert to fraction form
    80,744,747.85/121,117,121.78 = 37,698,026.85/x
  3. Step 3: Cross multiply
    80,744,747.85x = 121,117,121.78 × 37,698,026.85
  4. Step 4: Simplify right side
    80,744,747.85x = 4,565,876,508,668,670
  5. Step 5: Solve for x
    x = 4,565,876,508,668,670/80,744,747.85
  6. Step 6: Final answer
    x = 56,547,040.28

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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.