Home / 197,641,643.55-272,745,493.96-109,541,329.15

Finding the Fourth Proportional to 197,641,643.55, 272,745,493.96 and 109,541,329.15

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Solution

The fourth proportional to 197,641,643.55, 272,745,493.96 and 109,541,329.15 is: 151,167,048.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,641,643.55 : 272,745,493.96 = 109,541,329.15 : x
  2. Step 2: Convert to fraction form
    197,641,643.55/272,745,493.96 = 109,541,329.15/x
  3. Step 3: Cross multiply
    197,641,643.55x = 272,745,493.96 × 109,541,329.15
  4. Step 4: Simplify right side
    197,641,643.55x = 29,876,903,928,051,696
  5. Step 5: Solve for x
    x = 29,876,903,928,051,696/197,641,643.55
  6. Step 6: Final answer
    x = 151,167,048.56

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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.