Home / 552,097,112.80-828,145,669.20-163,979,845.60

Finding the Fourth Proportional to 552,097,112.80, 828,145,669.20 and 163,979,845.60

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Solution

The fourth proportional to 552,097,112.80, 828,145,669.20 and 163,979,845.60 is: 245,969,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,097,112.80 : 828,145,669.20 = 163,979,845.60 : x
  2. Step 2: Convert to fraction form
    552,097,112.80/828,145,669.20 = 163,979,845.60/x
  3. Step 3: Cross multiply
    552,097,112.80x = 828,145,669.20 × 163,979,845.60
  4. Step 4: Simplify right side
    552,097,112.80x = 135,799,198,969,724,672
  5. Step 5: Solve for x
    x = 135,799,198,969,724,672/552,097,112.80
  6. Step 6: Final answer
    x = 245,969,768.40

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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.