Home / 286,542,110.34-395,429,451.38-162,789,578.10

Finding the Fourth Proportional to 286,542,110.34, 395,429,451.38 and 162,789,578.10

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Solution

The fourth proportional to 286,542,110.34, 395,429,451.38 and 162,789,578.10 is: 224,650,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,542,110.34 : 395,429,451.38 = 162,789,578.10 : x
  2. Step 2: Convert to fraction form
    286,542,110.34/395,429,451.38 = 162,789,578.10/x
  3. Step 3: Cross multiply
    286,542,110.34x = 395,429,451.38 × 162,789,578.10
  4. Step 4: Simplify right side
    286,542,110.34x = 64,371,793,558,464,656
  5. Step 5: Solve for x
    x = 64,371,793,558,464,656/286,542,110.34
  6. Step 6: Final answer
    x = 224,650,378.55

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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.