Home / 140,110,570.52-193,364,538.90-78,242,861.24

Finding the Fourth Proportional to 140,110,570.52, 193,364,538.90 and 78,242,861.24

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Solution

The fourth proportional to 140,110,570.52, 193,364,538.90 and 78,242,861.24 is: 107,981,822.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,110,570.52 : 193,364,538.90 = 78,242,861.24 : x
  2. Step 2: Convert to fraction form
    140,110,570.52/193,364,538.90 = 78,242,861.24/x
  3. Step 3: Cross multiply
    140,110,570.52x = 193,364,538.90 × 78,242,861.24
  4. Step 4: Simplify right side
    140,110,570.52x = 15,129,394,785,889,282
  5. Step 5: Solve for x
    x = 15,129,394,785,889,282/140,110,570.52
  6. Step 6: Final answer
    x = 107,981,822.71

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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.