Home / 229,833,647.20-344,750,470.80-143,669,346.40

Finding the Fourth Proportional to 229,833,647.20, 344,750,470.80 and 143,669,346.40

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Solution

The fourth proportional to 229,833,647.20, 344,750,470.80 and 143,669,346.40 is: 215,504,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,833,647.20 : 344,750,470.80 = 143,669,346.40 : x
  2. Step 2: Convert to fraction form
    229,833,647.20/344,750,470.80 = 143,669,346.40/x
  3. Step 3: Cross multiply
    229,833,647.20x = 344,750,470.80 × 143,669,346.40
  4. Step 4: Simplify right side
    229,833,647.20x = 49,530,074,810,928,288
  5. Step 5: Solve for x
    x = 49,530,074,810,928,288/229,833,647.20
  6. Step 6: Final answer
    x = 215,504,019.60

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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.