Home / 167,878,881.90-251,715,747.75-80,467,146.36

Finding the Fourth Proportional to 167,878,881.90, 251,715,747.75 and 80,467,146.36

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Solution

The fourth proportional to 167,878,881.90, 251,715,747.75 and 80,467,146.36 is: 120,651,553.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,878,881.90 : 251,715,747.75 = 80,467,146.36 : x
  2. Step 2: Convert to fraction form
    167,878,881.90/251,715,747.75 = 80,467,146.36/x
  3. Step 3: Cross multiply
    167,878,881.90x = 251,715,747.75 × 80,467,146.36
  4. Step 4: Simplify right side
    167,878,881.90x = 20,254,847,915,316,092
  5. Step 5: Solve for x
    x = 20,254,847,915,316,092/167,878,881.90
  6. Step 6: Final answer
    x = 120,651,553.58

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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.