Home / 316,711,976.07-475,067,013.74-80,361,040.15

Finding the Fourth Proportional to 316,711,976.07, 475,067,013.74 and 80,361,040.15

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Solution

The fourth proportional to 316,711,976.07, 475,067,013.74 and 80,361,040.15 is: 120,541,319.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,711,976.07 : 475,067,013.74 = 80,361,040.15 : x
  2. Step 2: Convert to fraction form
    316,711,976.07/475,067,013.74 = 80,361,040.15/x
  3. Step 3: Cross multiply
    316,711,976.07x = 475,067,013.74 × 80,361,040.15
  4. Step 4: Simplify right side
    316,711,976.07x = 38,176,879,365,100,744
  5. Step 5: Solve for x
    x = 38,176,879,365,100,744/316,711,976.07
  6. Step 6: Final answer
    x = 120,541,319.08

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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.