Home / 218,074,190.40-327,111,285.60-156,852,187.20

Finding the Fourth Proportional to 218,074,190.40, 327,111,285.60 and 156,852,187.20

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Solution

The fourth proportional to 218,074,190.40, 327,111,285.60 and 156,852,187.20 is: 235,278,280.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,074,190.40 : 327,111,285.60 = 156,852,187.20 : x
  2. Step 2: Convert to fraction form
    218,074,190.40/327,111,285.60 = 156,852,187.20/x
  3. Step 3: Cross multiply
    218,074,190.40x = 327,111,285.60 × 156,852,187.20
  4. Step 4: Simplify right side
    218,074,190.40x = 51,308,120,604,163,864
  5. Step 5: Solve for x
    x = 51,308,120,604,163,864/218,074,190.40
  6. Step 6: Final answer
    x = 235,278,280.80

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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.