Home / 107,838,138.60-161,757,207.90-31,163,668.20

Finding the Fourth Proportional to 107,838,138.60, 161,757,207.90 and 31,163,668.20

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Solution

The fourth proportional to 107,838,138.60, 161,757,207.90 and 31,163,668.20 is: 46,745,502.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,838,138.60 : 161,757,207.90 = 31,163,668.20 : x
  2. Step 2: Convert to fraction form
    107,838,138.60/161,757,207.90 = 31,163,668.20/x
  3. Step 3: Cross multiply
    107,838,138.60x = 161,757,207.90 × 31,163,668.20
  4. Step 4: Simplify right side
    107,838,138.60x = 5,040,947,955,954,019
  5. Step 5: Solve for x
    x = 5,040,947,955,954,019/107,838,138.60
  6. Step 6: Final answer
    x = 46,745,502.30

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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.