Home / 165,888,400.80-248,832,601.20-154,550,992.80

Finding the Fourth Proportional to 165,888,400.80, 248,832,601.20 and 154,550,992.80

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Solution

The fourth proportional to 165,888,400.80, 248,832,601.20 and 154,550,992.80 is: 231,826,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888,400.80 : 248,832,601.20 = 154,550,992.80 : x
  2. Step 2: Convert to fraction form
    165,888,400.80/248,832,601.20 = 154,550,992.80/x
  3. Step 3: Cross multiply
    165,888,400.80x = 248,832,601.20 × 154,550,992.80
  4. Step 4: Simplify right side
    165,888,400.80x = 38,457,325,556,466,472
  5. Step 5: Solve for x
    x = 38,457,325,556,466,472/165,888,400.80
  6. Step 6: Final answer
    x = 231,826,489.20

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1.5x scale

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.