Home / 140,725,409.36-211,085,124.60-38,489,447.12

Finding the Fourth Proportional to 140,725,409.36, 211,085,124.60 and 38,489,447.12

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Solution

The fourth proportional to 140,725,409.36, 211,085,124.60 and 38,489,447.12 is: 57,733,353.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,725,409.36 : 211,085,124.60 = 38,489,447.12 : x
  2. Step 2: Convert to fraction form
    140,725,409.36/211,085,124.60 = 38,489,447.12/x
  3. Step 3: Cross multiply
    140,725,409.36x = 211,085,124.60 × 38,489,447.12
  4. Step 4: Simplify right side
    140,725,409.36x = 8,124,549,741,110,310
  5. Step 5: Solve for x
    x = 8,124,549,741,110,310/140,725,409.36
  6. Step 6: Final answer
    x = 57,733,353.05

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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.