Home / 143,659,960.04-198,250,741.35-77,580,452.93

Finding the Fourth Proportional to 143,659,960.04, 198,250,741.35 and 77,580,452.93

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Solution

The fourth proportional to 143,659,960.04, 198,250,741.35 and 77,580,452.93 is: 107,061,023.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,659,960.04 : 198,250,741.35 = 77,580,452.93 : x
  2. Step 2: Convert to fraction form
    143,659,960.04/198,250,741.35 = 77,580,452.93/x
  3. Step 3: Cross multiply
    143,659,960.04x = 198,250,741.35 × 77,580,452.93
  4. Step 4: Simplify right side
    143,659,960.04x = 15,380,382,306,650,024
  5. Step 5: Solve for x
    x = 15,380,382,306,650,024/143,659,960.04
  6. Step 6: Final answer
    x = 107,061,023.14

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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.