Home / 91,281,546.18-136,595,025.41-79,027,659.45

Finding the Fourth Proportional to 91,281,546.18, 136,595,025.41 and 79,027,659.45

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Solution

The fourth proportional to 91,281,546.18, 136,595,025.41 and 79,027,659.45 is: 118,258,132.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,281,546.18 : 136,595,025.41 = 79,027,659.45 : x
  2. Step 2: Convert to fraction form
    91,281,546.18/136,595,025.41 = 79,027,659.45/x
  3. Step 3: Cross multiply
    91,281,546.18x = 136,595,025.41 × 79,027,659.45
  4. Step 4: Simplify right side
    91,281,546.18x = 10,794,785,150,270,438
  5. Step 5: Solve for x
    x = 10,794,785,150,270,438/91,281,546.18
  6. Step 6: Final answer
    x = 118,258,132.14

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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.