Home / 205,529,613.32-283,630,562.85-111,443,589.30

Finding the Fourth Proportional to 205,529,613.32, 283,630,562.85 and 111,443,589.30

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Solution

The fourth proportional to 205,529,613.32, 283,630,562.85 and 111,443,589.30 is: 153,791,988.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,529,613.32 : 283,630,562.85 = 111,443,589.30 : x
  2. Step 2: Convert to fraction form
    205,529,613.32/283,630,562.85 = 111,443,589.30/x
  3. Step 3: Cross multiply
    205,529,613.32x = 283,630,562.85 × 111,443,589.30
  4. Step 4: Simplify right side
    205,529,613.32x = 31,608,807,959,183,240
  5. Step 5: Solve for x
    x = 31,608,807,959,183,240/205,529,613.32
  6. Step 6: Final answer
    x = 153,791,988.65

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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.