Home / 243,569,115.70-365,353,673.55-219,382,645.30

Finding the Fourth Proportional to 243,569,115.70, 365,353,673.55 and 219,382,645.30

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Solution

The fourth proportional to 243,569,115.70, 365,353,673.55 and 219,382,645.30 is: 329,073,967.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,569,115.70 : 365,353,673.55 = 219,382,645.30 : x
  2. Step 2: Convert to fraction form
    243,569,115.70/365,353,673.55 = 219,382,645.30/x
  3. Step 3: Cross multiply
    243,569,115.70x = 365,353,673.55 × 219,382,645.30
  4. Step 4: Simplify right side
    243,569,115.70x = 80,152,255,373,471,648
  5. Step 5: Solve for x
    x = 80,152,255,373,471,648/243,569,115.70
  6. Step 6: Final answer
    x = 329,073,967.95

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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.