Home / 79,453,286.40-119,179,929.60-70,887,244.80

Finding the Fourth Proportional to 79,453,286.40, 119,179,929.60 and 70,887,244.80

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Solution

The fourth proportional to 79,453,286.40, 119,179,929.60 and 70,887,244.80 is: 106,330,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,453,286.40 : 119,179,929.60 = 70,887,244.80 : x
  2. Step 2: Convert to fraction form
    79,453,286.40/119,179,929.60 = 70,887,244.80/x
  3. Step 3: Cross multiply
    79,453,286.40x = 119,179,929.60 × 70,887,244.80
  4. Step 4: Simplify right side
    79,453,286.40x = 8,448,336,844,801,965
  5. Step 5: Solve for x
    x = 8,448,336,844,801,965/79,453,286.40
  6. Step 6: Final answer
    x = 106,330,867.20

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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.