Home / 218,069,081.40-327,103,622.10-156,847,078.20

Finding the Fourth Proportional to 218,069,081.40, 327,103,622.10 and 156,847,078.20

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Solution

The fourth proportional to 218,069,081.40, 327,103,622.10 and 156,847,078.20 is: 235,270,617.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,069,081.40 : 327,103,622.10 = 156,847,078.20 : x
  2. Step 2: Convert to fraction form
    218,069,081.40/327,103,622.10 = 156,847,078.20/x
  3. Step 3: Cross multiply
    218,069,081.40x = 327,103,622.10 × 156,847,078.20
  4. Step 4: Simplify right side
    218,069,081.40x = 51,305,247,395,021,952
  5. Step 5: Solve for x
    x = 51,305,247,395,021,952/218,069,081.40
  6. Step 6: Final answer
    x = 235,270,617.30

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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.