Home / 213,176,175.98-319,794,766.86-65,636,219.39

Finding the Fourth Proportional to 213,176,175.98, 319,794,766.86 and 65,636,219.39

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Solution

The fourth proportional to 213,176,175.98, 319,794,766.86 and 65,636,219.39 is: 98,463,720.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,176,175.98 : 319,794,766.86 = 65,636,219.39 : x
  2. Step 2: Convert to fraction form
    213,176,175.98/319,794,766.86 = 65,636,219.39/x
  3. Step 3: Cross multiply
    213,176,175.98x = 319,794,766.86 × 65,636,219.39
  4. Step 4: Simplify right side
    213,176,175.98x = 20,990,119,477,475,608
  5. Step 5: Solve for x
    x = 20,990,119,477,475,608/213,176,175.98
  6. Step 6: Final answer
    x = 98,463,720.82

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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.