Home / 199,492,767.60-298,735,266.60-130,964,434.80

Finding the Fourth Proportional to 199,492,767.60, 298,735,266.60 and 130,964,434.80

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Solution

The fourth proportional to 199,492,767.60, 298,735,266.60 and 130,964,434.80 is: 196,115,858.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,492,767.60 : 298,735,266.60 = 130,964,434.80 : x
  2. Step 2: Convert to fraction form
    199,492,767.60/298,735,266.60 = 130,964,434.80/x
  3. Step 3: Cross multiply
    199,492,767.60x = 298,735,266.60 × 130,964,434.80
  4. Step 4: Simplify right side
    199,492,767.60x = 39,123,695,345,096,320
  5. Step 5: Solve for x
    x = 39,123,695,345,096,320/199,492,767.60
  6. Step 6: Final answer
    x = 196,115,858.31

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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.