Home / 345,853,170.50-477,288,757.11-189,216,693.02

Finding the Fourth Proportional to 345,853,170.50, 477,288,757.11 and 189,216,693.02

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Solution

The fourth proportional to 345,853,170.50, 477,288,757.11 and 189,216,693.02 is: 261,125,263.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,853,170.50 : 477,288,757.11 = 189,216,693.02 : x
  2. Step 2: Convert to fraction form
    345,853,170.50/477,288,757.11 = 189,216,693.02/x
  3. Step 3: Cross multiply
    345,853,170.50x = 477,288,757.11 × 189,216,693.02
  4. Step 4: Simplify right side
    345,853,170.50x = 90,311,000,233,593,760
  5. Step 5: Solve for x
    x = 90,311,000,233,593,760/345,853,170.50
  6. Step 6: Final answer
    x = 261,125,263.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.