Home / 103,170,888.24-142,375,820.94-56,760,145.71

Finding the Fourth Proportional to 103,170,888.24, 142,375,820.94 and 56,760,145.71

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Solution

The fourth proportional to 103,170,888.24, 142,375,820.94 and 56,760,145.71 is: 78,328,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,170,888.24 : 142,375,820.94 = 56,760,145.71 : x
  2. Step 2: Convert to fraction form
    103,170,888.24/142,375,820.94 = 56,760,145.71/x
  3. Step 3: Cross multiply
    103,170,888.24x = 142,375,820.94 × 56,760,145.71
  4. Step 4: Simplify right side
    103,170,888.24x = 8,081,272,342,135,269
  5. Step 5: Solve for x
    x = 8,081,272,342,135,269/103,170,888.24
  6. Step 6: Final answer
    x = 78,328,998.42

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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.