Home / 188,243,864.64-259,736,237.28-109,891,860.48

Finding the Fourth Proportional to 188,243,864.64, 259,736,237.28 and 109,891,860.48

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Solution

The fourth proportional to 188,243,864.64, 259,736,237.28 and 109,891,860.48 is: 151,627,243.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,243,864.64 : 259,736,237.28 = 109,891,860.48 : x
  2. Step 2: Convert to fraction form
    188,243,864.64/259,736,237.28 = 109,891,860.48/x
  3. Step 3: Cross multiply
    188,243,864.64x = 259,736,237.28 × 109,891,860.48
  4. Step 4: Simplify right side
    188,243,864.64x = 28,542,898,348,773,936
  5. Step 5: Solve for x
    x = 28,542,898,348,773,936/188,243,864.64
  6. Step 6: Final answer
    x = 151,627,243.75

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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.