Home / 199,701,266.40-299,551,899.60-130,826,512.80

Finding the Fourth Proportional to 199,701,266.40, 299,551,899.60 and 130,826,512.80

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Solution

The fourth proportional to 199,701,266.40, 299,551,899.60 and 130,826,512.80 is: 196,239,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,701,266.40 : 299,551,899.60 = 130,826,512.80 : x
  2. Step 2: Convert to fraction form
    199,701,266.40/299,551,899.60 = 130,826,512.80/x
  3. Step 3: Cross multiply
    199,701,266.40x = 299,551,899.60 × 130,826,512.80
  4. Step 4: Simplify right side
    199,701,266.40x = 39,189,330,427,283,720
  5. Step 5: Solve for x
    x = 39,189,330,427,283,720/199,701,266.40
  6. Step 6: Final answer
    x = 196,239,769.20

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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.