Home / 107,846,781.40-161,775,420.90-30,123,600.76

Finding the Fourth Proportional to 107,846,781.40, 161,775,420.90 and 30,123,600.76

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Solution

The fourth proportional to 107,846,781.40, 161,775,420.90 and 30,123,600.76 is: 45,186,867.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,846,781.40 : 161,775,420.90 = 30,123,600.76 : x
  2. Step 2: Convert to fraction form
    107,846,781.40/161,775,420.90 = 30,123,600.76/x
  3. Step 3: Cross multiply
    107,846,781.40x = 161,775,420.90 × 30,123,600.76
  4. Step 4: Simplify right side
    107,846,781.40x = 4,873,258,191,972,560
  5. Step 5: Solve for x
    x = 4,873,258,191,972,560/107,846,781.40
  6. Step 6: Final answer
    x = 45,186,867.23

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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.