Home / 120,810,543.24-181,288,671.12-43,081,540.32

Finding the Fourth Proportional to 120,810,543.24, 181,288,671.12 and 43,081,540.32

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Solution

The fourth proportional to 120,810,543.24, 181,288,671.12 and 43,081,540.32 is: 64,648,291.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,810,543.24 : 181,288,671.12 = 43,081,540.32 : x
  2. Step 2: Convert to fraction form
    120,810,543.24/181,288,671.12 = 43,081,540.32/x
  3. Step 3: Cross multiply
    120,810,543.24x = 181,288,671.12 × 43,081,540.32
  4. Step 4: Simplify right side
    120,810,543.24x = 7,810,195,194,415,500
  5. Step 5: Solve for x
    x = 7,810,195,194,415,500/120,810,543.24
  6. Step 6: Final answer
    x = 64,648,291.32

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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.