Home / 283,939,960.80-425,616,008.40-154,273,605.60

Finding the Fourth Proportional to 283,939,960.80, 425,616,008.40 and 154,273,605.60

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Solution

The fourth proportional to 283,939,960.80, 425,616,008.40 and 154,273,605.60 is: 231,250,705.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,939,960.80 : 425,616,008.40 = 154,273,605.60 : x
  2. Step 2: Convert to fraction form
    283,939,960.80/425,616,008.40 = 154,273,605.60/x
  3. Step 3: Cross multiply
    283,939,960.80x = 425,616,008.40 × 154,273,605.60
  4. Step 4: Simplify right side
    283,939,960.80x = 65,661,316,216,947,880
  5. Step 5: Solve for x
    x = 65,661,316,216,947,880/283,939,960.80
  6. Step 6: Final answer
    x = 231,250,705.37

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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.