Home / 422,282,636.46-633,422,687.46-107,148,055.20

Finding the Fourth Proportional to 422,282,636.46, 633,422,687.46 and 107,148,055.20

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Solution

The fourth proportional to 422,282,636.46, 633,422,687.46 and 107,148,055.20 is: 160,721,761.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,282,636.46 : 633,422,687.46 = 107,148,055.20 : x
  2. Step 2: Convert to fraction form
    422,282,636.46/633,422,687.46 = 107,148,055.20/x
  3. Step 3: Cross multiply
    422,282,636.46x = 633,422,687.46 × 107,148,055.20
  4. Step 4: Simplify right side
    422,282,636.46x = 67,870,009,080,896,432
  5. Step 5: Solve for x
    x = 67,870,009,080,896,432/422,282,636.46
  6. Step 6: Final answer
    x = 160,721,761.26

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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.