Home / 284,419,344.70-426,629,017.14-79,947,419.95

Finding the Fourth Proportional to 284,419,344.70, 426,629,017.14 and 79,947,419.95

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Solution

The fourth proportional to 284,419,344.70, 426,629,017.14 and 79,947,419.95 is: 119,921,129.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,419,344.70 : 426,629,017.14 = 79,947,419.95 : x
  2. Step 2: Convert to fraction form
    284,419,344.70/426,629,017.14 = 79,947,419.95/x
  3. Step 3: Cross multiply
    284,419,344.70x = 426,629,017.14 × 79,947,419.95
  4. Step 4: Simplify right side
    284,419,344.70x = 34,107,889,196,147,328
  5. Step 5: Solve for x
    x = 34,107,889,196,147,328/284,419,344.70
  6. Step 6: Final answer
    x = 119,921,129.95

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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.