Home / 53,150,131.20-79,725,196.80-45,497,380.80

Finding the Fourth Proportional to 53,150,131.20, 79,725,196.80 and 45,497,380.80

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Solution

The fourth proportional to 53,150,131.20, 79,725,196.80 and 45,497,380.80 is: 68,246,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,150,131.20 : 79,725,196.80 = 45,497,380.80 : x
  2. Step 2: Convert to fraction form
    53,150,131.20/79,725,196.80 = 45,497,380.80/x
  3. Step 3: Cross multiply
    53,150,131.20x = 79,725,196.80 × 45,497,380.80
  4. Step 4: Simplify right side
    53,150,131.20x = 3,627,287,638,164,541
  5. Step 5: Solve for x
    x = 3,627,287,638,164,541/53,150,131.20
  6. Step 6: Final answer
    x = 68,246,071.20

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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.