Home / 148,331,288.20-222,591,410.70-86,920,328.20

Finding the Fourth Proportional to 148,331,288.20, 222,591,410.70 and 86,920,328.20

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Solution

The fourth proportional to 148,331,288.20, 222,591,410.70 and 86,920,328.20 is: 130,435,855.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,331,288.20 : 222,591,410.70 = 86,920,328.20 : x
  2. Step 2: Convert to fraction form
    148,331,288.20/222,591,410.70 = 86,920,328.20/x
  3. Step 3: Cross multiply
    148,331,288.20x = 222,591,410.70 × 86,920,328.20
  4. Step 4: Simplify right side
    148,331,288.20x = 19,347,718,472,544,992
  5. Step 5: Solve for x
    x = 19,347,718,472,544,992/148,331,288.20
  6. Step 6: Final answer
    x = 130,435,855.49

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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.