Home / 83,667,015.76-115,424,666.41-52,250,523.01

Finding the Fourth Proportional to 83,667,015.76, 115,424,666.41 and 52,250,523.01

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Solution

The fourth proportional to 83,667,015.76, 115,424,666.41 and 52,250,523.01 is: 72,083,354.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,667,015.76 : 115,424,666.41 = 52,250,523.01 : x
  2. Step 2: Convert to fraction form
    83,667,015.76/115,424,666.41 = 52,250,523.01/x
  3. Step 3: Cross multiply
    83,667,015.76x = 115,424,666.41 × 52,250,523.01
  4. Step 4: Simplify right side
    83,667,015.76x = 6,030,999,188,177,279
  5. Step 5: Solve for x
    x = 6,030,999,188,177,279/83,667,015.76
  6. Step 6: Final answer
    x = 72,083,354.87

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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.