Home / 56,933,743.86-85,382,922.96-20,537,405.55

Finding the Fourth Proportional to 56,933,743.86, 85,382,922.96 and 20,537,405.55

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Solution

The fourth proportional to 56,933,743.86, 85,382,922.96 and 20,537,405.55 is: 30,799,726.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,933,743.86 : 85,382,922.96 = 20,537,405.55 : x
  2. Step 2: Convert to fraction form
    56,933,743.86/85,382,922.96 = 20,537,405.55/x
  3. Step 3: Cross multiply
    56,933,743.86x = 85,382,922.96 × 20,537,405.55
  4. Step 4: Simplify right side
    56,933,743.86x = 1,753,543,715,873,926.25
  5. Step 5: Solve for x
    x = 1,753,543,715,873,926.25/56,933,743.86
  6. Step 6: Final answer
    x = 30,799,726.08

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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.