Home / 170,055,087.30-255,107,514.15-55,020,053.70

Finding the Fourth Proportional to 170,055,087.30, 255,107,514.15 and 55,020,053.70

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Solution

The fourth proportional to 170,055,087.30, 255,107,514.15 and 55,020,053.70 is: 82,538,131.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,055,087.30 : 255,107,514.15 = 55,020,053.70 : x
  2. Step 2: Convert to fraction form
    170,055,087.30/255,107,514.15 = 55,020,053.70/x
  3. Step 3: Cross multiply
    170,055,087.30x = 255,107,514.15 × 55,020,053.70
  4. Step 4: Simplify right side
    170,055,087.30x = 14,036,029,127,806,510
  5. Step 5: Solve for x
    x = 14,036,029,127,806,510/170,055,087.30
  6. Step 6: Final answer
    x = 82,538,131.32

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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.