Home / 129,405,142,246.20-194,107,713,369.30-108,508,031,820.60

Finding the Fourth Proportional to 129,405,142,246.20, 194,107,713,369.30 and 108,508,031,820.60

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Solution

The fourth proportional to 129,405,142,246.20, 194,107,713,369.30 and 108,508,031,820.60 is: 162,762,047,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,405,142,246.20 : 194,107,713,369.30 = 108,508,031,820.60 : x
  2. Step 2: Convert to fraction form
    129,405,142,246.20/194,107,713,369.30 = 108,508,031,820.60/x
  3. Step 3: Cross multiply
    129,405,142,246.20x = 194,107,713,369.30 × 108,508,031,820.60
  4. Step 4: Simplify right side
    129,405,142,246.20x = 21,062,245,938,899,906,985,984
  5. Step 5: Solve for x
    x = 21,062,245,938,899,906,985,984/129,405,142,246.20
  6. Step 6: Final answer
    x = 162,762,047,730.90

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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.