Home / 148,331,025.20-222,591,016.20-86,920,065.20

Finding the Fourth Proportional to 148,331,025.20, 222,591,016.20 and 86,920,065.20

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Solution

The fourth proportional to 148,331,025.20, 222,591,016.20 and 86,920,065.20 is: 130,435,460.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,331,025.20 : 222,591,016.20 = 86,920,065.20 : x
  2. Step 2: Convert to fraction form
    148,331,025.20/222,591,016.20 = 86,920,065.20/x
  3. Step 3: Cross multiply
    148,331,025.20x = 222,591,016.20 × 86,920,065.20
  4. Step 4: Simplify right side
    148,331,025.20x = 19,347,625,641,038,256
  5. Step 5: Solve for x
    x = 19,347,625,641,038,256/148,331,025.20
  6. Step 6: Final answer
    x = 130,435,460.92

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1.5x scale

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.