Home / 212,869,666.80-319,304,500.20-132,248,098.80

Finding the Fourth Proportional to 212,869,666.80, 319,304,500.20 and 132,248,098.80

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Solution

The fourth proportional to 212,869,666.80, 319,304,500.20 and 132,248,098.80 is: 198,372,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,869,666.80 : 319,304,500.20 = 132,248,098.80 : x
  2. Step 2: Convert to fraction form
    212,869,666.80/319,304,500.20 = 132,248,098.80/x
  3. Step 3: Cross multiply
    212,869,666.80x = 319,304,500.20 × 132,248,098.80
  4. Step 4: Simplify right side
    212,869,666.80x = 42,227,413,089,734,216
  5. Step 5: Solve for x
    x = 42,227,413,089,734,216/212,869,666.80
  6. Step 6: Final answer
    x = 198,372,148.20

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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.