Home / 218,284,844.40-327,427,266.60-130,986,802.80

Finding the Fourth Proportional to 218,284,844.40, 327,427,266.60 and 130,986,802.80

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Solution

The fourth proportional to 218,284,844.40, 327,427,266.60 and 130,986,802.80 is: 196,480,204.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,284,844.40 : 327,427,266.60 = 130,986,802.80 : x
  2. Step 2: Convert to fraction form
    218,284,844.40/327,427,266.60 = 130,986,802.80/x
  3. Step 3: Cross multiply
    218,284,844.40x = 327,427,266.60 × 130,986,802.80
  4. Step 4: Simplify right side
    218,284,844.40x = 42,888,650,801,477,232
  5. Step 5: Solve for x
    x = 42,888,650,801,477,232/218,284,844.40
  6. Step 6: Final answer
    x = 196,480,204.20

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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.