Home / 73,814,621.40-110,721,932.10-68,439,850.20

Finding the Fourth Proportional to 73,814,621.40, 110,721,932.10 and 68,439,850.20

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Solution

The fourth proportional to 73,814,621.40, 110,721,932.10 and 68,439,850.20 is: 102,659,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,814,621.40 : 110,721,932.10 = 68,439,850.20 : x
  2. Step 2: Convert to fraction form
    73,814,621.40/110,721,932.10 = 68,439,850.20/x
  3. Step 3: Cross multiply
    73,814,621.40x = 110,721,932.10 × 68,439,850.20
  4. Step 4: Simplify right side
    73,814,621.40x = 7,577,792,446,778,571
  5. Step 5: Solve for x
    x = 7,577,792,446,778,571/73,814,621.40
  6. Step 6: Final answer
    x = 102,659,775.30

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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.