Home / 197,641,445.33-272,745,189.15-109,548,678

Finding the Fourth Proportional to 197,641,445.33, 272,745,189.15 and 109,548,678

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Solution

The fourth proportional to 197,641,445.33, 272,745,189.15 and 109,548,678 is: 151,177,172.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,641,445.33 : 272,745,189.15 = 109,548,678 : x
  2. Step 2: Convert to fraction form
    197,641,445.33/272,745,189.15 = 109,548,678/x
  3. Step 3: Cross multiply
    197,641,445.33x = 272,745,189.15 × 109,548,678
  4. Step 4: Simplify right side
    197,641,445.33x = 29,878,874,901,694,700
  5. Step 5: Solve for x
    x = 29,878,874,901,694,700/197,641,445.33
  6. Step 6: Final answer
    x = 151,177,172.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.