Home / 307,523,255.49-424,381,815.95-173,589,369.39

Finding the Fourth Proportional to 307,523,255.49, 424,381,815.95 and 173,589,369.39

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Solution

The fourth proportional to 307,523,255.49, 424,381,815.95 and 173,589,369.39 is: 239,553,173.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,523,255.49 : 424,381,815.95 = 173,589,369.39 : x
  2. Step 2: Convert to fraction form
    307,523,255.49/424,381,815.95 = 173,589,369.39/x
  3. Step 3: Cross multiply
    307,523,255.49x = 424,381,815.95 × 173,589,369.39
  4. Step 4: Simplify right side
    307,523,255.49x = 73,668,171,810,475,584
  5. Step 5: Solve for x
    x = 73,668,171,810,475,584/307,523,255.49
  6. Step 6: Final answer
    x = 239,553,173.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.