Home / 212,825,696.80-319,085,330.04-130,775,046.80

Finding the Fourth Proportional to 212,825,696.80, 319,085,330.04 and 130,775,046.80

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Solution

The fourth proportional to 212,825,696.80, 319,085,330.04 and 130,775,046.80 is: 196,068,424.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,825,696.80 : 319,085,330.04 = 130,775,046.80 : x
  2. Step 2: Convert to fraction form
    212,825,696.80/319,085,330.04 = 130,775,046.80/x
  3. Step 3: Cross multiply
    212,825,696.80x = 319,085,330.04 × 130,775,046.80
  4. Step 4: Simplify right side
    212,825,696.80x = 41,728,398,969,174,448
  5. Step 5: Solve for x
    x = 41,728,398,969,174,448/212,825,696.80
  6. Step 6: Final answer
    x = 196,068,424.05

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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.