Home / 206,736,719.70-285,302,758.74-113,923,206.20

Finding the Fourth Proportional to 206,736,719.70, 285,302,758.74 and 113,923,206.20

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Solution

The fourth proportional to 206,736,719.70, 285,302,758.74 and 113,923,206.20 is: 157,217,378.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,736,719.70 : 285,302,758.74 = 113,923,206.20 : x
  2. Step 2: Convert to fraction form
    206,736,719.70/285,302,758.74 = 113,923,206.20/x
  3. Step 3: Cross multiply
    206,736,719.70x = 285,302,758.74 × 113,923,206.20
  4. Step 4: Simplify right side
    206,736,719.70x = 32,502,605,013,365,876
  5. Step 5: Solve for x
    x = 32,502,605,013,365,876/206,736,719.70
  6. Step 6: Final answer
    x = 157,217,378.03

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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.