Home / 80,853,047.70-121,279,571.55-44,447,370.90

Finding the Fourth Proportional to 80,853,047.70, 121,279,571.55 and 44,447,370.90

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Solution

The fourth proportional to 80,853,047.70, 121,279,571.55 and 44,447,370.90 is: 66,671,056.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,853,047.70 : 121,279,571.55 = 44,447,370.90 : x
  2. Step 2: Convert to fraction form
    80,853,047.70/121,279,571.55 = 44,447,370.90/x
  3. Step 3: Cross multiply
    80,853,047.70x = 121,279,571.55 × 44,447,370.90
  4. Step 4: Simplify right side
    80,853,047.70x = 5,390,558,099,275,938
  5. Step 5: Solve for x
    x = 5,390,558,099,275,938/80,853,047.70
  6. Step 6: Final answer
    x = 66,671,056.35

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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.