Home / 120,960,438.60-181,440,657.90-40,181,406.60

Finding the Fourth Proportional to 120,960,438.60, 181,440,657.90 and 40,181,406.60

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Solution

The fourth proportional to 120,960,438.60, 181,440,657.90 and 40,181,406.60 is: 60,272,109.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,960,438.60 : 181,440,657.90 = 40,181,406.60 : x
  2. Step 2: Convert to fraction form
    120,960,438.60/181,440,657.90 = 40,181,406.60/x
  3. Step 3: Cross multiply
    120,960,438.60x = 181,440,657.90 × 40,181,406.60
  4. Step 4: Simplify right side
    120,960,438.60x = 7,290,540,848,851,403
  5. Step 5: Solve for x
    x = 7,290,540,848,851,403/120,960,438.60
  6. Step 6: Final answer
    x = 60,272,109.90

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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.