Home / 147,258,009.20-220,887,013.80-50,181,453.20

Finding the Fourth Proportional to 147,258,009.20, 220,887,013.80 and 50,181,453.20

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Solution

The fourth proportional to 147,258,009.20, 220,887,013.80 and 50,181,453.20 is: 75,272,179.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,258,009.20 : 220,887,013.80 = 50,181,453.20 : x
  2. Step 2: Convert to fraction form
    147,258,009.20/220,887,013.80 = 50,181,453.20/x
  3. Step 3: Cross multiply
    147,258,009.20x = 220,887,013.80 × 50,181,453.20
  4. Step 4: Simplify right side
    147,258,009.20x = 11,084,431,345,492,456
  5. Step 5: Solve for x
    x = 11,084,431,345,492,456/147,258,009.20
  6. Step 6: Final answer
    x = 75,272,179.80

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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.