Home / 206,719,382,521.80-310,079,073,782.70-80,908,165,945.80

Finding the Fourth Proportional to 206,719,382,521.80, 310,079,073,782.70 and 80,908,165,945.80

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Solution

The fourth proportional to 206,719,382,521.80, 310,079,073,782.70 and 80,908,165,945.80 is: 121,362,248,918.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,719,382,521.80 : 310,079,073,782.70 = 80,908,165,945.80 : x
  2. Step 2: Convert to fraction form
    206,719,382,521.80/310,079,073,782.70 = 80,908,165,945.80/x
  3. Step 3: Cross multiply
    206,719,382,521.80x = 310,079,073,782.70 × 80,908,165,945.80
  4. Step 4: Simplify right side
    206,719,382,521.80x = 25,087,929,157,930,654,367,744
  5. Step 5: Solve for x
    x = 25,087,929,157,930,654,367,744/206,719,382,521.80
  6. Step 6: Final answer
    x = 121,362,248,918.70

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Double scale
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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.