Home / 122,481,459.90-183,722,189.85-81,666,791.10

Finding the Fourth Proportional to 122,481,459.90, 183,722,189.85 and 81,666,791.10

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Solution

The fourth proportional to 122,481,459.90, 183,722,189.85 and 81,666,791.10 is: 122,500,186.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,481,459.90 : 183,722,189.85 = 81,666,791.10 : x
  2. Step 2: Convert to fraction form
    122,481,459.90/183,722,189.85 = 81,666,791.10/x
  3. Step 3: Cross multiply
    122,481,459.90x = 183,722,189.85 × 81,666,791.10
  4. Step 4: Simplify right side
    122,481,459.90x = 15,004,001,698,914,488
  5. Step 5: Solve for x
    x = 15,004,001,698,914,488/122,481,459.90
  6. Step 6: Final answer
    x = 122,500,186.65

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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.