Home / 213,176,252.80-319,794,882.06-65,636,296.21

Finding the Fourth Proportional to 213,176,252.80, 319,794,882.06 and 65,636,296.21

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Solution

The fourth proportional to 213,176,252.80, 319,794,882.06 and 65,636,296.21 is: 98,463,836.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,176,252.80 : 319,794,882.06 = 65,636,296.21 : x
  2. Step 2: Convert to fraction form
    213,176,252.80/319,794,882.06 = 65,636,296.21/x
  3. Step 3: Cross multiply
    213,176,252.80x = 319,794,882.06 × 65,636,296.21
  4. Step 4: Simplify right side
    213,176,252.80x = 20,990,151,605,332,176
  5. Step 5: Solve for x
    x = 20,990,151,605,332,176/213,176,252.80
  6. Step 6: Final answer
    x = 98,463,836.05

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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.