Home / 213,176,178.98-319,794,771.36-65,636,222.39

Finding the Fourth Proportional to 213,176,178.98, 319,794,771.36 and 65,636,222.39

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Solution

The fourth proportional to 213,176,178.98, 319,794,771.36 and 65,636,222.39 is: 98,463,725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,176,178.98 : 319,794,771.36 = 65,636,222.39 : x
  2. Step 2: Convert to fraction form
    213,176,178.98/319,794,771.36 = 65,636,222.39/x
  3. Step 3: Cross multiply
    213,176,178.98x = 319,794,771.36 × 65,636,222.39
  4. Step 4: Simplify right side
    213,176,178.98x = 20,990,120,730,545,188
  5. Step 5: Solve for x
    x = 20,990,120,730,545,188/213,176,178.98
  6. Step 6: Final answer
    x = 98,463,725.32

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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.