Home / 217,632,937.68-300,333,472.91-118,513,655.43

Finding the Fourth Proportional to 217,632,937.68, 300,333,472.91 and 118,513,655.43

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Solution

The fourth proportional to 217,632,937.68, 300,333,472.91 and 118,513,655.43 is: 163,548,854.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,632,937.68 : 300,333,472.91 = 118,513,655.43 : x
  2. Step 2: Convert to fraction form
    217,632,937.68/300,333,472.91 = 118,513,655.43/x
  3. Step 3: Cross multiply
    217,632,937.68x = 300,333,472.91 × 118,513,655.43
  4. Step 4: Simplify right side
    217,632,937.68x = 35,593,617,721,958,408
  5. Step 5: Solve for x
    x = 35,593,617,721,958,408/217,632,937.68
  6. Step 6: Final answer
    x = 163,548,854.79

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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.