Home / 211,269,718.92-291,444,128.82-140,826,623.88

Finding the Fourth Proportional to 211,269,718.92, 291,444,128.82 and 140,826,623.88

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Solution

The fourth proportional to 211,269,718.92, 291,444,128.82 and 140,826,623.88 is: 194,268,695.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,269,718.92 : 291,444,128.82 = 140,826,623.88 : x
  2. Step 2: Convert to fraction form
    211,269,718.92/291,444,128.82 = 140,826,623.88/x
  3. Step 3: Cross multiply
    211,269,718.92x = 291,444,128.82 × 140,826,623.88
  4. Step 4: Simplify right side
    211,269,718.92x = 41,043,092,711,368,408
  5. Step 5: Solve for x
    x = 41,043,092,711,368,408/211,269,718.92
  6. Step 6: Final answer
    x = 194,268,695.59

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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.