Home / 110,715,405.20-166,073,107.80-42,560,320.40

Finding the Fourth Proportional to 110,715,405.20, 166,073,107.80 and 42,560,320.40

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Solution

The fourth proportional to 110,715,405.20, 166,073,107.80 and 42,560,320.40 is: 63,840,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,715,405.20 : 166,073,107.80 = 42,560,320.40 : x
  2. Step 2: Convert to fraction form
    110,715,405.20/166,073,107.80 = 42,560,320.40/x
  3. Step 3: Cross multiply
    110,715,405.20x = 166,073,107.80 × 42,560,320.40
  4. Step 4: Simplify right side
    110,715,405.20x = 7,068,124,677,791,739
  5. Step 5: Solve for x
    x = 7,068,124,677,791,739/110,715,405.20
  6. Step 6: Final answer
    x = 63,840,480.60

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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.