Home / 100,887,107.60-151,330,661.40-76,493,965.70

Finding the Fourth Proportional to 100,887,107.60, 151,330,661.40 and 76,493,965.70

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Solution

The fourth proportional to 100,887,107.60, 151,330,661.40 and 76,493,965.70 is: 114,740,948.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,887,107.60 : 151,330,661.40 = 76,493,965.70 : x
  2. Step 2: Convert to fraction form
    100,887,107.60/151,330,661.40 = 76,493,965.70/x
  3. Step 3: Cross multiply
    100,887,107.60x = 151,330,661.40 × 76,493,965.70
  4. Step 4: Simplify right side
    100,887,107.60x = 11,575,882,422,489,914
  5. Step 5: Solve for x
    x = 11,575,882,422,489,914/100,887,107.60
  6. Step 6: Final answer
    x = 114,740,948.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.