Home / 243,218,211.90-335,641,314.29-131,709,174.96

Finding the Fourth Proportional to 243,218,211.90, 335,641,314.29 and 131,709,174.96

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Solution

The fourth proportional to 243,218,211.90, 335,641,314.29 and 131,709,174.96 is: 181,758,759.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,218,211.90 : 335,641,314.29 = 131,709,174.96 : x
  2. Step 2: Convert to fraction form
    243,218,211.90/335,641,314.29 = 131,709,174.96/x
  3. Step 3: Cross multiply
    243,218,211.90x = 335,641,314.29 × 131,709,174.96
  4. Step 4: Simplify right side
    243,218,211.90x = 44,207,040,585,289,208
  5. Step 5: Solve for x
    x = 44,207,040,585,289,208/243,218,211.90
  6. Step 6: Final answer
    x = 181,758,759.93

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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.