Home / 207,438,253.84-311,191,149.44-96,884,477.12

Finding the Fourth Proportional to 207,438,253.84, 311,191,149.44 and 96,884,477.12

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Solution

The fourth proportional to 207,438,253.84, 311,191,149.44 and 96,884,477.12 is: 145,342,487.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,438,253.84 : 311,191,149.44 = 96,884,477.12 : x
  2. Step 2: Convert to fraction form
    207,438,253.84/311,191,149.44 = 96,884,477.12/x
  3. Step 3: Cross multiply
    207,438,253.84x = 311,191,149.44 × 96,884,477.12
  4. Step 4: Simplify right side
    207,438,253.84x = 30,149,591,797,866,184
  5. Step 5: Solve for x
    x = 30,149,591,797,866,184/207,438,253.84
  6. Step 6: Final answer
    x = 145,342,487.41

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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.