Home / 85,235,227.83-117,656,601.52-55,868,452.89

Finding the Fourth Proportional to 85,235,227.83, 117,656,601.52 and 55,868,452.89

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Solution

The fourth proportional to 85,235,227.83, 117,656,601.52 and 55,868,452.89 is: 77,119,431.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,235,227.83 : 117,656,601.52 = 55,868,452.89 : x
  2. Step 2: Convert to fraction form
    85,235,227.83/117,656,601.52 = 55,868,452.89/x
  3. Step 3: Cross multiply
    85,235,227.83x = 117,656,601.52 × 55,868,452.89
  4. Step 4: Simplify right side
    85,235,227.83x = 6,573,292,299,217,622
  5. Step 5: Solve for x
    x = 6,573,292,299,217,622/85,235,227.83
  6. Step 6: Final answer
    x = 77,119,431.33

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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.