Home / 207,040,518.80-310,560,778.20-63,414,688.40

Finding the Fourth Proportional to 207,040,518.80, 310,560,778.20 and 63,414,688.40

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Solution

The fourth proportional to 207,040,518.80, 310,560,778.20 and 63,414,688.40 is: 95,122,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,040,518.80 : 310,560,778.20 = 63,414,688.40 : x
  2. Step 2: Convert to fraction form
    207,040,518.80/310,560,778.20 = 63,414,688.40/x
  3. Step 3: Cross multiply
    207,040,518.80x = 310,560,778.20 × 63,414,688.40
  4. Step 4: Simplify right side
    207,040,518.80x = 19,694,114,978,814,512
  5. Step 5: Solve for x
    x = 19,694,114,978,814,512/207,040,518.80
  6. Step 6: Final answer
    x = 95,122,032.60

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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.