Home / 143,557,334.80-215,336,002.20-105,010,147.60

Finding the Fourth Proportional to 143,557,334.80, 215,336,002.20 and 105,010,147.60

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Solution

The fourth proportional to 143,557,334.80, 215,336,002.20 and 105,010,147.60 is: 157,515,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,557,334.80 : 215,336,002.20 = 105,010,147.60 : x
  2. Step 2: Convert to fraction form
    143,557,334.80/215,336,002.20 = 105,010,147.60/x
  3. Step 3: Cross multiply
    143,557,334.80x = 215,336,002.20 × 105,010,147.60
  4. Step 4: Simplify right side
    143,557,334.80x = 22,612,465,374,615,924
  5. Step 5: Solve for x
    x = 22,612,465,374,615,924/143,557,334.80
  6. Step 6: Final answer
    x = 157,515,221.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.