Home / 215,975,609.91-323,808,669.59-91,486,627.29

Finding the Fourth Proportional to 215,975,609.91, 323,808,669.59 and 91,486,627.29

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Solution

The fourth proportional to 215,975,609.91, 323,808,669.59 and 91,486,627.29 is: 137,164,391.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,975,609.91 : 323,808,669.59 = 91,486,627.29 : x
  2. Step 2: Convert to fraction form
    215,975,609.91/323,808,669.59 = 91,486,627.29/x
  3. Step 3: Cross multiply
    215,975,609.91x = 323,808,669.59 × 91,486,627.29
  4. Step 4: Simplify right side
    215,975,609.91x = 29,624,163,067,593,656
  5. Step 5: Solve for x
    x = 29,624,163,067,593,656/215,975,609.91
  6. Step 6: Final answer
    x = 137,164,391.29

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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.