Home / 143,693,999.20-215,540,998.80-67,024,777.60

Finding the Fourth Proportional to 143,693,999.20, 215,540,998.80 and 67,024,777.60

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Solution

The fourth proportional to 143,693,999.20, 215,540,998.80 and 67,024,777.60 is: 100,537,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,693,999.20 : 215,540,998.80 = 67,024,777.60 : x
  2. Step 2: Convert to fraction form
    143,693,999.20/215,540,998.80 = 67,024,777.60/x
  3. Step 3: Cross multiply
    143,693,999.20x = 215,540,998.80 × 67,024,777.60
  4. Step 4: Simplify right side
    143,693,999.20x = 14,446,587,508,251,868
  5. Step 5: Solve for x
    x = 14,446,587,508,251,868/143,693,999.20
  6. Step 6: Final answer
    x = 100,537,166.40

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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.