Home / 85,235,227.32-117,656,600.82-55,868,452.39

Finding the Fourth Proportional to 85,235,227.32, 117,656,600.82 and 55,868,452.39

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Solution

The fourth proportional to 85,235,227.32, 117,656,600.82 and 55,868,452.39 is: 77,119,430.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,235,227.32 : 117,656,600.82 = 55,868,452.39 : x
  2. Step 2: Convert to fraction form
    85,235,227.32/117,656,600.82 = 55,868,452.39/x
  3. Step 3: Cross multiply
    85,235,227.32x = 117,656,600.82 × 55,868,452.39
  4. Step 4: Simplify right side
    85,235,227.32x = 6,573,292,201,281,405
  5. Step 5: Solve for x
    x = 6,573,292,201,281,405/85,235,227.32
  6. Step 6: Final answer
    x = 77,119,430.64

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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.