Home / 239,520,487.60-330,542,577.84-140,472,673.84

Finding the Fourth Proportional to 239,520,487.60, 330,542,577.84 and 140,472,673.84

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Solution

The fourth proportional to 239,520,487.60, 330,542,577.84 and 140,472,673.84 is: 193,854,814.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,520,487.60 : 330,542,577.84 = 140,472,673.84 : x
  2. Step 2: Convert to fraction form
    239,520,487.60/330,542,577.84 = 140,472,673.84/x
  3. Step 3: Cross multiply
    239,520,487.60x = 330,542,577.84 × 140,472,673.84
  4. Step 4: Simplify right side
    239,520,487.60x = 46,432,199,727,151,128
  5. Step 5: Solve for x
    x = 46,432,199,727,151,128/239,520,487.60
  6. Step 6: Final answer
    x = 193,854,814.64

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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.