Home / 220,968,017.20-331,452,025.80-186,955,793.20

Finding the Fourth Proportional to 220,968,017.20, 331,452,025.80 and 186,955,793.20

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Solution

The fourth proportional to 220,968,017.20, 331,452,025.80 and 186,955,793.20 is: 280,433,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,968,017.20 : 331,452,025.80 = 186,955,793.20 : x
  2. Step 2: Convert to fraction form
    220,968,017.20/331,452,025.80 = 186,955,793.20/x
  3. Step 3: Cross multiply
    220,968,017.20x = 331,452,025.80 × 186,955,793.20
  4. Step 4: Simplify right side
    220,968,017.20x = 61,966,876,391,185,864
  5. Step 5: Solve for x
    x = 61,966,876,391,185,864/220,968,017.20
  6. Step 6: Final answer
    x = 280,433,689.80

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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.