Home / 159,609,872.40-239,414,808.60-86,798,518.80

Finding the Fourth Proportional to 159,609,872.40, 239,414,808.60 and 86,798,518.80

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Solution

The fourth proportional to 159,609,872.40, 239,414,808.60 and 86,798,518.80 is: 130,197,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,609,872.40 : 239,414,808.60 = 86,798,518.80 : x
  2. Step 2: Convert to fraction form
    159,609,872.40/239,414,808.60 = 86,798,518.80/x
  3. Step 3: Cross multiply
    159,609,872.40x = 239,414,808.60 × 86,798,518.80
  4. Step 4: Simplify right side
    159,609,872.40x = 20,780,850,765,265,500
  5. Step 5: Solve for x
    x = 20,780,850,765,265,500/159,609,872.40
  6. Step 6: Final answer
    x = 130,197,778.20

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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.