Home / 362,023,456.80-543,318,620.40-167,958,918.30

Finding the Fourth Proportional to 362,023,456.80, 543,318,620.40 and 167,958,918.30

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Solution

The fourth proportional to 362,023,456.80, 543,318,620.40 and 167,958,918.30 is: 252,069,875.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,023,456.80 : 543,318,620.40 = 167,958,918.30 : x
  2. Step 2: Convert to fraction form
    362,023,456.80/543,318,620.40 = 167,958,918.30/x
  3. Step 3: Cross multiply
    362,023,456.80x = 543,318,620.40 × 167,958,918.30
  4. Step 4: Simplify right side
    362,023,456.80x = 91,255,207,774,632,320
  5. Step 5: Solve for x
    x = 91,255,207,774,632,320/362,023,456.80
  6. Step 6: Final answer
    x = 252,069,875.75

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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.