Home / 67,366,138.80-101,049,208.20-45,842,778.30

Finding the Fourth Proportional to 67,366,138.80, 101,049,208.20 and 45,842,778.30

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Solution

The fourth proportional to 67,366,138.80, 101,049,208.20 and 45,842,778.30 is: 68,764,167.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,366,138.80 : 101,049,208.20 = 45,842,778.30 : x
  2. Step 2: Convert to fraction form
    67,366,138.80/101,049,208.20 = 45,842,778.30/x
  3. Step 3: Cross multiply
    67,366,138.80x = 101,049,208.20 × 45,842,778.30
  4. Step 4: Simplify right side
    67,366,138.80x = 4,632,376,448,903,142
  5. Step 5: Solve for x
    x = 4,632,376,448,903,142/67,366,138.80
  6. Step 6: Final answer
    x = 68,764,167.45

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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.