Home / 140,725,378.36-211,085,078.10-38,489,416.12

Finding the Fourth Proportional to 140,725,378.36, 211,085,078.10 and 38,489,416.12

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Solution

The fourth proportional to 140,725,378.36, 211,085,078.10 and 38,489,416.12 is: 57,733,306.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,725,378.36 : 211,085,078.10 = 38,489,416.12 : x
  2. Step 2: Convert to fraction form
    140,725,378.36/211,085,078.10 = 38,489,416.12/x
  3. Step 3: Cross multiply
    140,725,378.36x = 211,085,078.10 × 38,489,416.12
  4. Step 4: Simplify right side
    140,725,378.36x = 8,124,541,407,713,598
  5. Step 5: Solve for x
    x = 8,124,541,407,713,598/140,725,378.36
  6. Step 6: Final answer
    x = 57,733,306.55

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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.