Home / 212,690,801.80-319,036,202.70-182,079,800.20

Finding the Fourth Proportional to 212,690,801.80, 319,036,202.70 and 182,079,800.20

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Solution

The fourth proportional to 212,690,801.80, 319,036,202.70 and 182,079,800.20 is: 273,119,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,690,801.80 : 319,036,202.70 = 182,079,800.20 : x
  2. Step 2: Convert to fraction form
    212,690,801.80/319,036,202.70 = 182,079,800.20/x
  3. Step 3: Cross multiply
    212,690,801.80x = 319,036,202.70 × 182,079,800.20
  4. Step 4: Simplify right side
    212,690,801.80x = 58,090,048,044,182,696
  5. Step 5: Solve for x
    x = 58,090,048,044,182,696/212,690,801.80
  6. Step 6: Final answer
    x = 273,119,700.30

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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.