Home / 386,693,805.81-580,035,029.40-95,560,920.75

Finding the Fourth Proportional to 386,693,805.81, 580,035,029.40 and 95,560,920.75

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Solution

The fourth proportional to 386,693,805.81, 580,035,029.40 and 95,560,920.75 is: 143,339,977.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,693,805.81 : 580,035,029.40 = 95,560,920.75 : x
  2. Step 2: Convert to fraction form
    386,693,805.81/580,035,029.40 = 95,560,920.75/x
  3. Step 3: Cross multiply
    386,693,805.81x = 580,035,029.40 × 95,560,920.75
  4. Step 4: Simplify right side
    386,693,805.81x = 55,428,681,476,717,320
  5. Step 5: Solve for x
    x = 55,428,681,476,717,320/386,693,805.81
  6. Step 6: Final answer
    x = 143,339,977.64

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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.