Home / 168,872,575.61-232,924,016.89-154,978,796.98

Finding the Fourth Proportional to 168,872,575.61, 232,924,016.89 and 154,978,796.98

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Solution

The fourth proportional to 168,872,575.61, 232,924,016.89 and 154,978,796.98 is: 213,760,486.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,872,575.61 : 232,924,016.89 = 154,978,796.98 : x
  2. Step 2: Convert to fraction form
    168,872,575.61/232,924,016.89 = 154,978,796.98/x
  3. Step 3: Cross multiply
    168,872,575.61x = 232,924,016.89 × 154,978,796.98
  4. Step 4: Simplify right side
    168,872,575.61x = 36,098,283,925,846,280
  5. Step 5: Solve for x
    x = 36,098,283,925,846,280/168,872,575.61
  6. Step 6: Final answer
    x = 213,760,486.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.