Home / 209,515,723.85-314,078,170.61-71,246,844.23

Finding the Fourth Proportional to 209,515,723.85, 314,078,170.61 and 71,246,844.23

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Solution

The fourth proportional to 209,515,723.85, 314,078,170.61 and 71,246,844.23 is: 106,803,814.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,515,723.85 : 314,078,170.61 = 71,246,844.23 : x
  2. Step 2: Convert to fraction form
    209,515,723.85/314,078,170.61 = 71,246,844.23/x
  3. Step 3: Cross multiply
    209,515,723.85x = 314,078,170.61 × 71,246,844.23
  4. Step 4: Simplify right side
    209,515,723.85x = 22,377,078,497,137,804
  5. Step 5: Solve for x
    x = 22,377,078,497,137,804/209,515,723.85
  6. Step 6: Final answer
    x = 106,803,814.46

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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.