Home / 286,542,108.11-395,429,448.29-162,789,575.87

Finding the Fourth Proportional to 286,542,108.11, 395,429,448.29 and 162,789,575.87

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Solution

The fourth proportional to 286,542,108.11, 395,429,448.29 and 162,789,575.87 is: 224,650,375.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,542,108.11 : 395,429,448.29 = 162,789,575.87 : x
  2. Step 2: Convert to fraction form
    286,542,108.11/395,429,448.29 = 162,789,575.87/x
  3. Step 3: Cross multiply
    286,542,108.11x = 395,429,448.29 × 162,789,575.87
  4. Step 4: Simplify right side
    286,542,108.11x = 64,371,792,173,637,200
  5. Step 5: Solve for x
    x = 64,371,792,173,637,200/286,542,108.11
  6. Step 6: Final answer
    x = 224,650,375.47

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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.