Home / 167,872,531.05-251,808,796.58-99,680,121.45

Finding the Fourth Proportional to 167,872,531.05, 251,808,796.58 and 99,680,121.45

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Solution

The fourth proportional to 167,872,531.05, 251,808,796.58 and 99,680,121.45 is: 149,520,182.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,872,531.05 : 251,808,796.58 = 99,680,121.45 : x
  2. Step 2: Convert to fraction form
    167,872,531.05/251,808,796.58 = 99,680,121.45/x
  3. Step 3: Cross multiply
    167,872,531.05x = 251,808,796.58 × 99,680,121.45
  4. Step 4: Simplify right side
    167,872,531.05x = 25,100,331,424,774,344
  5. Step 5: Solve for x
    x = 25,100,331,424,774,344/167,872,531.05
  6. Step 6: Final answer
    x = 149,520,182.18

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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.