Home / 193,156,736.80-289,635,572.40-71,925,786.40

Finding the Fourth Proportional to 193,156,736.80, 289,635,572.40 and 71,925,786.40

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Solution

The fourth proportional to 193,156,736.80, 289,635,572.40 and 71,925,786.40 is: 107,851,616.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,156,736.80 : 289,635,572.40 = 71,925,786.40 : x
  2. Step 2: Convert to fraction form
    193,156,736.80/289,635,572.40 = 71,925,786.40/x
  3. Step 3: Cross multiply
    193,156,736.80x = 289,635,572.40 × 71,925,786.40
  4. Step 4: Simplify right side
    193,156,736.80x = 20,832,266,314,284,136
  5. Step 5: Solve for x
    x = 20,832,266,314,284,136/193,156,736.80
  6. Step 6: Final answer
    x = 107,851,616.56

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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.