Home / 204,751,419.05-306,639,612.16-130,745,968.45

Finding the Fourth Proportional to 204,751,419.05, 306,639,612.16 and 130,745,968.45

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Solution

The fourth proportional to 204,751,419.05, 306,639,612.16 and 130,745,968.45 is: 195,807,644.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,751,419.05 : 306,639,612.16 = 130,745,968.45 : x
  2. Step 2: Convert to fraction form
    204,751,419.05/306,639,612.16 = 130,745,968.45/x
  3. Step 3: Cross multiply
    204,751,419.05x = 306,639,612.16 × 130,745,968.45
  4. Step 4: Simplify right side
    204,751,419.05x = 40,091,893,056,991,600
  5. Step 5: Solve for x
    x = 40,091,893,056,991,600/204,751,419.05
  6. Step 6: Final answer
    x = 195,807,644.43

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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.