Home / 129,405,142,495.20-194,107,713,742.80-108,508,032,069.60

Finding the Fourth Proportional to 129,405,142,495.20, 194,107,713,742.80 and 108,508,032,069.60

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Solution

The fourth proportional to 129,405,142,495.20, 194,107,713,742.80 and 108,508,032,069.60 is: 162,762,048,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,405,142,495.20 : 194,107,713,742.80 = 108,508,032,069.60 : x
  2. Step 2: Convert to fraction form
    129,405,142,495.20/194,107,713,742.80 = 108,508,032,069.60/x
  3. Step 3: Cross multiply
    129,405,142,495.20x = 194,107,713,742.80 × 108,508,032,069.60
  4. Step 4: Simplify right side
    129,405,142,495.20x = 21,062,246,027,760,477,667,328
  5. Step 5: Solve for x
    x = 21,062,246,027,760,477,667,328/129,405,142,495.20
  6. Step 6: Final answer
    x = 162,762,048,104.40

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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.