Home / 53,499,270.62-80,223,612.60-20,725,189.34

Finding the Fourth Proportional to 53,499,270.62, 80,223,612.60 and 20,725,189.34

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Solution

The fourth proportional to 53,499,270.62, 80,223,612.60 and 20,725,189.34 is: 31,077,985.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,499,270.62 : 80,223,612.60 = 20,725,189.34 : x
  2. Step 2: Convert to fraction form
    53,499,270.62/80,223,612.60 = 20,725,189.34/x
  3. Step 3: Cross multiply
    53,499,270.62x = 80,223,612.60 × 20,725,189.34
  4. Step 4: Simplify right side
    53,499,270.62x = 1,662,649,560,350,411.25
  5. Step 5: Solve for x
    x = 1,662,649,560,350,411.25/53,499,270.62
  6. Step 6: Final answer
    x = 31,077,985.57

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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.