Home / 262,144,163.24-393,280,266.26-87,266,859.38

Finding the Fourth Proportional to 262,144,163.24, 393,280,266.26 and 87,266,859.38

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Solution

The fourth proportional to 262,144,163.24, 393,280,266.26 and 87,266,859.38 is: 130,921,601.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,144,163.24 : 393,280,266.26 = 87,266,859.38 : x
  2. Step 2: Convert to fraction form
    262,144,163.24/393,280,266.26 = 87,266,859.38/x
  3. Step 3: Cross multiply
    262,144,163.24x = 393,280,266.26 × 87,266,859.38
  4. Step 4: Simplify right side
    262,144,163.24x = 34,320,333,692,640,376
  5. Step 5: Solve for x
    x = 34,320,333,692,640,376/262,144,163.24
  6. Step 6: Final answer
    x = 130,921,601.57

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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.