Home / 57,686,834.40-79,608,780.72-31,580,921.68

Finding the Fourth Proportional to 57,686,834.40, 79,608,780.72 and 31,580,921.68

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Solution

The fourth proportional to 57,686,834.40, 79,608,780.72 and 31,580,921.68 is: 43,582,191.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,686,834.40 : 79,608,780.72 = 31,580,921.68 : x
  2. Step 2: Convert to fraction form
    57,686,834.40/79,608,780.72 = 31,580,921.68/x
  3. Step 3: Cross multiply
    57,686,834.40x = 79,608,780.72 × 31,580,921.68
  4. Step 4: Simplify right side
    57,686,834.40x = 2,514,118,668,958,614
  5. Step 5: Solve for x
    x = 2,514,118,668,958,614/57,686,834.40
  6. Step 6: Final answer
    x = 43,582,191.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.