Home / 206,747,200.12-285,313,049.34-113,931,029.36

Finding the Fourth Proportional to 206,747,200.12, 285,313,049.34 and 113,931,029.36

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Solution

The fourth proportional to 206,747,200.12, 285,313,049.34 and 113,931,029.36 is: 157,225,874.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,747,200.12 : 285,313,049.34 = 113,931,029.36 : x
  2. Step 2: Convert to fraction form
    206,747,200.12/285,313,049.34 = 113,931,029.36/x
  3. Step 3: Cross multiply
    206,747,200.12x = 285,313,049.34 × 113,931,029.36
  4. Step 4: Simplify right side
    206,747,200.12x = 32,506,009,401,146,664
  5. Step 5: Solve for x
    x = 32,506,009,401,146,664/206,747,200.12
  6. Step 6: Final answer
    x = 157,225,874.80

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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.