Home / 120,890,003.40-181,335,005.10-110,308,422.60

Finding the Fourth Proportional to 120,890,003.40, 181,335,005.10 and 110,308,422.60

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Solution

The fourth proportional to 120,890,003.40, 181,335,005.10 and 110,308,422.60 is: 165,462,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,890,003.40 : 181,335,005.10 = 110,308,422.60 : x
  2. Step 2: Convert to fraction form
    120,890,003.40/181,335,005.10 = 110,308,422.60/x
  3. Step 3: Cross multiply
    120,890,003.40x = 181,335,005.10 × 110,308,422.60
  4. Step 4: Simplify right side
    120,890,003.40x = 20,002,778,374,743,952
  5. Step 5: Solve for x
    x = 20,002,778,374,743,952/120,890,003.40
  6. Step 6: Final answer
    x = 165,462,633.90

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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.