Home / 120,347,091.36-180,592,351.20-43,676,095.86

Finding the Fourth Proportional to 120,347,091.36, 180,592,351.20 and 43,676,095.86

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Solution

The fourth proportional to 120,347,091.36, 180,592,351.20 and 43,676,095.86 is: 65,540,170.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,347,091.36 : 180,592,351.20 = 43,676,095.86 : x
  2. Step 2: Convert to fraction form
    120,347,091.36/180,592,351.20 = 43,676,095.86/x
  3. Step 3: Cross multiply
    120,347,091.36x = 180,592,351.20 × 43,676,095.86
  4. Step 4: Simplify right side
    120,347,091.36x = 7,887,568,842,593,985
  5. Step 5: Solve for x
    x = 7,887,568,842,593,985/120,347,091.36
  6. Step 6: Final answer
    x = 65,540,170.13

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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.