Home / 55,231,387.88-82,855,594.48-18,831,265.57

Finding the Fourth Proportional to 55,231,387.88, 82,855,594.48 and 18,831,265.57

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Solution

The fourth proportional to 55,231,387.88, 82,855,594.48 and 18,831,265.57 is: 28,249,800.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,231,387.88 : 82,855,594.48 = 18,831,265.57 : x
  2. Step 2: Convert to fraction form
    55,231,387.88/82,855,594.48 = 18,831,265.57/x
  3. Step 3: Cross multiply
    55,231,387.88x = 82,855,594.48 × 18,831,265.57
  4. Step 4: Simplify right side
    55,231,387.88x = 1,560,275,703,613,106.25
  5. Step 5: Solve for x
    x = 1,560,275,703,613,106.25/55,231,387.88
  6. Step 6: Final answer
    x = 28,249,800.77

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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.