Home / 83,613,782.41-125,421,934.34-29,028,101.32

Finding the Fourth Proportional to 83,613,782.41, 125,421,934.34 and 29,028,101.32

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Solution

The fourth proportional to 83,613,782.41, 125,421,934.34 and 29,028,101.32 is: 43,542,589.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,613,782.41 : 125,421,934.34 = 29,028,101.32 : x
  2. Step 2: Convert to fraction form
    83,613,782.41/125,421,934.34 = 29,028,101.32/x
  3. Step 3: Cross multiply
    83,613,782.41x = 125,421,934.34 × 29,028,101.32
  4. Step 4: Simplify right side
    83,613,782.41x = 3,640,760,617,771,907.50
  5. Step 5: Solve for x
    x = 3,640,760,617,771,907.50/83,613,782.41
  6. Step 6: Final answer
    x = 43,542,589.66

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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.