Home / 422,282,631.43-633,422,679.99-107,148,050.20

Finding the Fourth Proportional to 422,282,631.43, 633,422,679.99 and 107,148,050.20

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Solution

The fourth proportional to 422,282,631.43, 633,422,679.99 and 107,148,050.20 is: 160,721,753.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,282,631.43 : 633,422,679.99 = 107,148,050.20 : x
  2. Step 2: Convert to fraction form
    422,282,631.43/633,422,679.99 = 107,148,050.20/x
  3. Step 3: Cross multiply
    422,282,631.43x = 633,422,679.99 × 107,148,050.20
  4. Step 4: Simplify right side
    422,282,631.43x = 67,870,005,113,387,056
  5. Step 5: Solve for x
    x = 67,870,005,113,387,056/422,282,631.43
  6. Step 6: Final answer
    x = 160,721,753.78

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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.