Home / 90,708,596.49-125,188,490.33-51,556,258.53

Finding the Fourth Proportional to 90,708,596.49, 125,188,490.33 and 51,556,258.53

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Solution

The fourth proportional to 90,708,596.49, 125,188,490.33 and 51,556,258.53 is: 71,153,676.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,708,596.49 : 125,188,490.33 = 51,556,258.53 : x
  2. Step 2: Convert to fraction form
    90,708,596.49/125,188,490.33 = 51,556,258.53/x
  3. Step 3: Cross multiply
    90,708,596.49x = 125,188,490.33 × 51,556,258.53
  4. Step 4: Simplify right side
    90,708,596.49x = 6,454,250,172,433,885
  5. Step 5: Solve for x
    x = 6,454,250,172,433,885/90,708,596.49
  6. Step 6: Final answer
    x = 71,153,676.96

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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.