Home / 78,364,155.82-117,290,452.44-57,609,099.82

Finding the Fourth Proportional to 78,364,155.82, 117,290,452.44 and 57,609,099.82

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Solution

The fourth proportional to 78,364,155.82, 117,290,452.44 and 57,609,099.82 is: 86,225,613.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,364,155.82 : 117,290,452.44 = 57,609,099.82 : x
  2. Step 2: Convert to fraction form
    78,364,155.82/117,290,452.44 = 57,609,099.82/x
  3. Step 3: Cross multiply
    78,364,155.82x = 117,290,452.44 × 57,609,099.82
  4. Step 4: Simplify right side
    78,364,155.82x = 6,756,997,382,548,922
  5. Step 5: Solve for x
    x = 6,756,997,382,548,922/78,364,155.82
  6. Step 6: Final answer
    x = 86,225,613.12

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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.