Home / 188,066,911.68-259,518,107.52-105,544,753.92

Finding the Fourth Proportional to 188,066,911.68, 259,518,107.52 and 105,544,753.92

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Solution

The fourth proportional to 188,066,911.68, 259,518,107.52 and 105,544,753.92 is: 145,643,774.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,066,911.68 : 259,518,107.52 = 105,544,753.92 : x
  2. Step 2: Convert to fraction form
    188,066,911.68/259,518,107.52 = 105,544,753.92/x
  3. Step 3: Cross multiply
    188,066,911.68x = 259,518,107.52 × 105,544,753.92
  4. Step 4: Simplify right side
    188,066,911.68x = 27,390,774,795,982,504
  5. Step 5: Solve for x
    x = 27,390,774,795,982,504/188,066,911.68
  6. Step 6: Final answer
    x = 145,643,774.08

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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.