Home / 343,745,516.34-515,613,171.51-84,960,722.34

Finding the Fourth Proportional to 343,745,516.34, 515,613,171.51 and 84,960,722.34

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Solution

The fourth proportional to 343,745,516.34, 515,613,171.51 and 84,960,722.34 is: 127,439,822.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,745,516.34 : 515,613,171.51 = 84,960,722.34 : x
  2. Step 2: Convert to fraction form
    343,745,516.34/515,613,171.51 = 84,960,722.34/x
  3. Step 3: Cross multiply
    343,745,516.34x = 515,613,171.51 × 84,960,722.34
  4. Step 4: Simplify right side
    343,745,516.34x = 43,806,867,499,507,912
  5. Step 5: Solve for x
    x = 43,806,867,499,507,912/343,745,516.34
  6. Step 6: Final answer
    x = 127,439,822.24

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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.