Home / 213,176,178.54-319,794,770.70-65,636,221.94

Finding the Fourth Proportional to 213,176,178.54, 319,794,770.70 and 65,636,221.94

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Solution

The fourth proportional to 213,176,178.54, 319,794,770.70 and 65,636,221.94 is: 98,463,724.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,176,178.54 : 319,794,770.70 = 65,636,221.94 : x
  2. Step 2: Convert to fraction form
    213,176,178.54/319,794,770.70 = 65,636,221.94/x
  3. Step 3: Cross multiply
    213,176,178.54x = 319,794,770.70 × 65,636,221.94
  4. Step 4: Simplify right side
    213,176,178.54x = 20,990,120,544,916,608
  5. Step 5: Solve for x
    x = 20,990,120,544,916,608/213,176,178.54
  6. Step 6: Final answer
    x = 98,463,724.65

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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.