Home / 129,929,523.60-194,918,865.60-52,212,477.48

Finding the Fourth Proportional to 129,929,523.60, 194,918,865.60 and 52,212,477.48

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Solution

The fourth proportional to 129,929,523.60, 194,918,865.60 and 52,212,477.48 is: 78,328,593.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,929,523.60 : 194,918,865.60 = 52,212,477.48 : x
  2. Step 2: Convert to fraction form
    129,929,523.60/194,918,865.60 = 52,212,477.48/x
  3. Step 3: Cross multiply
    129,929,523.60x = 194,918,865.60 × 52,212,477.48
  4. Step 4: Simplify right side
    129,929,523.60x = 10,177,196,880,567,146
  5. Step 5: Solve for x
    x = 10,177,196,880,567,146/129,929,523.60
  6. Step 6: Final answer
    x = 78,328,593.83

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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.