Home / 77,486,520.30-116,229,780.45-43,474,296.30

Finding the Fourth Proportional to 77,486,520.30, 116,229,780.45 and 43,474,296.30

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Solution

The fourth proportional to 77,486,520.30, 116,229,780.45 and 43,474,296.30 is: 65,211,444.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,486,520.30 : 116,229,780.45 = 43,474,296.30 : x
  2. Step 2: Convert to fraction form
    77,486,520.30/116,229,780.45 = 43,474,296.30/x
  3. Step 3: Cross multiply
    77,486,520.30x = 116,229,780.45 × 43,474,296.30
  4. Step 4: Simplify right side
    77,486,520.30x = 5,053,007,914,167,247
  5. Step 5: Solve for x
    x = 5,053,007,914,167,247/77,486,520.30
  6. Step 6: Final answer
    x = 65,211,444.45

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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.