Home / 312,208,677.92-468,131,488.45-118,135,085.24

Finding the Fourth Proportional to 312,208,677.92, 468,131,488.45 and 118,135,085.24

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Solution

The fourth proportional to 312,208,677.92, 468,131,488.45 and 118,135,085.24 is: 177,133,940.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,208,677.92 : 468,131,488.45 = 118,135,085.24 : x
  2. Step 2: Convert to fraction form
    312,208,677.92/468,131,488.45 = 118,135,085.24/x
  3. Step 3: Cross multiply
    312,208,677.92x = 468,131,488.45 × 118,135,085.24
  4. Step 4: Simplify right side
    312,208,677.92x = 55,302,753,290,978,144
  5. Step 5: Solve for x
    x = 55,302,753,290,978,144/312,208,677.92
  6. Step 6: Final answer
    x = 177,133,940.22

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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.