Home / 181,693,107.20-272,575,090.20-78,062,112.20

Finding the Fourth Proportional to 181,693,107.20, 272,575,090.20 and 78,062,112.20

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Solution

The fourth proportional to 181,693,107.20, 272,575,090.20 and 78,062,112.20 is: 117,108,390.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,693,107.20 : 272,575,090.20 = 78,062,112.20 : x
  2. Step 2: Convert to fraction form
    181,693,107.20/272,575,090.20 = 78,062,112.20/x
  3. Step 3: Cross multiply
    181,693,107.20x = 272,575,090.20 × 78,062,112.20
  4. Step 4: Simplify right side
    181,693,107.20x = 21,277,787,274,117,520
  5. Step 5: Solve for x
    x = 21,277,787,274,117,520/181,693,107.20
  6. Step 6: Final answer
    x = 117,108,390.09

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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.