Home / 90,708,600-125,188,495.17-51,556,262.04

Finding the Fourth Proportional to 90,708,600, 125,188,495.17 and 51,556,262.04

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Solution

The fourth proportional to 90,708,600, 125,188,495.17 and 51,556,262.04 is: 71,153,681.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,708,600 : 125,188,495.17 = 51,556,262.04 : x
  2. Step 2: Convert to fraction form
    90,708,600/125,188,495.17 = 51,556,262.04/x
  3. Step 3: Cross multiply
    90,708,600x = 125,188,495.17 × 51,556,262.04
  4. Step 4: Simplify right side
    90,708,600x = 6,454,250,861,377,794
  5. Step 5: Solve for x
    x = 6,454,250,861,377,794/90,708,600
  6. Step 6: Final answer
    x = 71,153,681.81

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1.5x scale

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.