Home / 165,888,002.20-248,832,003.30-75,014,555.80

Finding the Fourth Proportional to 165,888,002.20, 248,832,003.30 and 75,014,555.80

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Solution

The fourth proportional to 165,888,002.20, 248,832,003.30 and 75,014,555.80 is: 112,521,833.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888,002.20 : 248,832,003.30 = 75,014,555.80 : x
  2. Step 2: Convert to fraction form
    165,888,002.20/248,832,003.30 = 75,014,555.80/x
  3. Step 3: Cross multiply
    165,888,002.20x = 248,832,003.30 × 75,014,555.80
  4. Step 4: Simplify right side
    165,888,002.20x = 18,666,022,196,373,636
  5. Step 5: Solve for x
    x = 18,666,022,196,373,636/165,888,002.20
  6. Step 6: Final answer
    x = 112,521,833.70

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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.