Home / 243,253,098.19-335,689,169.16-131,743,944.64

Finding the Fourth Proportional to 243,253,098.19, 335,689,169.16 and 131,743,944.64

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Solution

The fourth proportional to 243,253,098.19, 335,689,169.16 and 131,743,944.64 is: 181,806,586.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,253,098.19 : 335,689,169.16 = 131,743,944.64 : x
  2. Step 2: Convert to fraction form
    243,253,098.19/335,689,169.16 = 131,743,944.64/x
  3. Step 3: Cross multiply
    243,253,098.19x = 335,689,169.16 × 131,743,944.64
  4. Step 4: Simplify right side
    243,253,098.19x = 44,225,015,318,062,640
  5. Step 5: Solve for x
    x = 44,225,015,318,062,640/243,253,098.19
  6. Step 6: Final answer
    x = 181,806,586.01

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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.