Home / 80,852,697.70-121,279,046.55-44,447,020.90

Finding the Fourth Proportional to 80,852,697.70, 121,279,046.55 and 44,447,020.90

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Solution

The fourth proportional to 80,852,697.70, 121,279,046.55 and 44,447,020.90 is: 66,670,531.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,697.70 : 121,279,046.55 = 44,447,020.90 : x
  2. Step 2: Convert to fraction form
    80,852,697.70/121,279,046.55 = 44,447,020.90/x
  3. Step 3: Cross multiply
    80,852,697.70x = 121,279,046.55 × 44,447,020.90
  4. Step 4: Simplify right side
    80,852,697.70x = 5,390,492,316,739,923
  5. Step 5: Solve for x
    x = 5,390,492,316,739,923/80,852,697.70
  6. Step 6: Final answer
    x = 66,670,531.35

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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.