Home / 78,070,470.40-107,740,675.20-43,263,082.24

Finding the Fourth Proportional to 78,070,470.40, 107,740,675.20 and 43,263,082.24

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Solution

The fourth proportional to 78,070,470.40, 107,740,675.20 and 43,263,082.24 is: 59,704,952.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,070,470.40 : 107,740,675.20 = 43,263,082.24 : x
  2. Step 2: Convert to fraction form
    78,070,470.40/107,740,675.20 = 43,263,082.24/x
  3. Step 3: Cross multiply
    78,070,470.40x = 107,740,675.20 × 43,263,082.24
  4. Step 4: Simplify right side
    78,070,470.40x = 4,661,193,691,770,729
  5. Step 5: Solve for x
    x = 4,661,193,691,770,729/78,070,470.40
  6. Step 6: Final answer
    x = 59,704,952.05

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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.