Home / 80,852,728.70-121,279,093.05-44,447,051.90

Finding the Fourth Proportional to 80,852,728.70, 121,279,093.05 and 44,447,051.90

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Solution

The fourth proportional to 80,852,728.70, 121,279,093.05 and 44,447,051.90 is: 66,670,577.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,728.70 : 121,279,093.05 = 44,447,051.90 : x
  2. Step 2: Convert to fraction form
    80,852,728.70/121,279,093.05 = 44,447,051.90/x
  3. Step 3: Cross multiply
    80,852,728.70x = 121,279,093.05 × 44,447,051.90
  4. Step 4: Simplify right side
    80,852,728.70x = 5,390,498,143,178,279
  5. Step 5: Solve for x
    x = 5,390,498,143,178,279/80,852,728.70
  6. Step 6: Final answer
    x = 66,670,577.85

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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.