Home / 80,853,113.95-121,279,670.93-44,447,437.15

Finding the Fourth Proportional to 80,853,113.95, 121,279,670.93 and 44,447,437.15

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Solution

The fourth proportional to 80,853,113.95, 121,279,670.93 and 44,447,437.15 is: 66,671,155.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,853,113.95 : 121,279,670.93 = 44,447,437.15 : x
  2. Step 2: Convert to fraction form
    80,853,113.95/121,279,670.93 = 44,447,437.15/x
  3. Step 3: Cross multiply
    80,853,113.95x = 121,279,670.93 × 44,447,437.15
  4. Step 4: Simplify right side
    80,853,113.95x = 5,390,570,551,011,620
  5. Step 5: Solve for x
    x = 5,390,570,551,011,620/80,853,113.95
  6. Step 6: Final answer
    x = 66,671,155.73

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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.