Home / 343,745,517.34-515,613,173.01-84,960,723.34

Finding the Fourth Proportional to 343,745,517.34, 515,613,173.01 and 84,960,723.34

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Solution

The fourth proportional to 343,745,517.34, 515,613,173.01 and 84,960,723.34 is: 127,439,823.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,745,517.34 : 515,613,173.01 = 84,960,723.34 : x
  2. Step 2: Convert to fraction form
    343,745,517.34/515,613,173.01 = 84,960,723.34/x
  3. Step 3: Cross multiply
    343,745,517.34x = 515,613,173.01 × 84,960,723.34
  4. Step 4: Simplify right side
    343,745,517.34x = 43,806,868,142,562,168
  5. Step 5: Solve for x
    x = 43,806,868,142,562,168/343,745,517.34
  6. Step 6: Final answer
    x = 127,439,823.74

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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.