Home / 68,182,112.57-94,063,460.51-50,343,085.72

Finding the Fourth Proportional to 68,182,112.57, 94,063,460.51 and 50,343,085.72

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Solution

The fourth proportional to 68,182,112.57, 94,063,460.51 and 50,343,085.72 is: 69,452,891.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,182,112.57 : 94,063,460.51 = 50,343,085.72 : x
  2. Step 2: Convert to fraction form
    68,182,112.57/94,063,460.51 = 50,343,085.72/x
  3. Step 3: Cross multiply
    68,182,112.57x = 94,063,460.51 × 50,343,085.72
  4. Step 4: Simplify right side
    68,182,112.57x = 4,735,444,854,852,732
  5. Step 5: Solve for x
    x = 4,735,444,854,852,732/68,182,112.57
  6. Step 6: Final answer
    x = 69,452,891.33

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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.