Home / 111,463,258.52-167,128,660.62-42,381,113.76

Finding the Fourth Proportional to 111,463,258.52, 167,128,660.62 and 42,381,113.76

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Solution

The fourth proportional to 111,463,258.52, 167,128,660.62 and 42,381,113.76 is: 63,546,489.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,463,258.52 : 167,128,660.62 = 42,381,113.76 : x
  2. Step 2: Convert to fraction form
    111,463,258.52/167,128,660.62 = 42,381,113.76/x
  3. Step 3: Cross multiply
    111,463,258.52x = 167,128,660.62 × 42,381,113.76
  4. Step 4: Simplify right side
    111,463,258.52x = 7,083,098,778,292,652
  5. Step 5: Solve for x
    x = 7,083,098,778,292,652/111,463,258.52
  6. Step 6: Final answer
    x = 63,546,489.42

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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.