Home / 73,635,981-110,469,915.54-28,197,777.12

Finding the Fourth Proportional to 73,635,981, 110,469,915.54 and 28,197,777.12

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Solution

The fourth proportional to 73,635,981, 110,469,915.54 and 28,197,777.12 is: 42,302,771.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,635,981 : 110,469,915.54 = 28,197,777.12 : x
  2. Step 2: Convert to fraction form
    73,635,981/110,469,915.54 = 28,197,777.12/x
  3. Step 3: Cross multiply
    73,635,981x = 110,469,915.54 × 28,197,777.12
  4. Step 4: Simplify right side
    73,635,981x = 3,115,006,056,862,144.50
  5. Step 5: Solve for x
    x = 3,115,006,056,862,144.50/73,635,981
  6. Step 6: Final answer
    x = 42,302,771.21

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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.