Home / 90,708,607.68-125,188,505.74-51,556,269.71

Finding the Fourth Proportional to 90,708,607.68, 125,188,505.74 and 51,556,269.71

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Solution

The fourth proportional to 90,708,607.68, 125,188,505.74 and 51,556,269.71 is: 71,153,692.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,708,607.68 : 125,188,505.74 = 51,556,269.71 : x
  2. Step 2: Convert to fraction form
    90,708,607.68/125,188,505.74 = 51,556,269.71/x
  3. Step 3: Cross multiply
    90,708,607.68x = 125,188,505.74 × 51,556,269.71
  4. Step 4: Simplify right side
    90,708,607.68x = 6,454,252,366,523,323
  5. Step 5: Solve for x
    x = 6,454,252,366,523,323/90,708,607.68
  6. Step 6: Final answer
    x = 71,153,692.37

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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.