Home / 80,693,010.72-111,351,816.72-45,894,166.56

Finding the Fourth Proportional to 80,693,010.72, 111,351,816.72 and 45,894,166.56

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Solution

The fourth proportional to 80,693,010.72, 111,351,816.72 and 45,894,166.56 is: 63,331,368.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,693,010.72 : 111,351,816.72 = 45,894,166.56 : x
  2. Step 2: Convert to fraction form
    80,693,010.72/111,351,816.72 = 45,894,166.56/x
  3. Step 3: Cross multiply
    80,693,010.72x = 111,351,816.72 × 45,894,166.56
  4. Step 4: Simplify right side
    80,693,010.72x = 5,110,398,823,306,273
  5. Step 5: Solve for x
    x = 5,110,398,823,306,273/80,693,010.72
  6. Step 6: Final answer
    x = 63,331,368.82

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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.