Home / 86,221,015.14-118,967,238.95-49,544,500.26

Finding the Fourth Proportional to 86,221,015.14, 118,967,238.95 and 49,544,500.26

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Solution

The fourth proportional to 86,221,015.14, 118,967,238.95 and 49,544,500.26 is: 68,361,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,221,015.14 : 118,967,238.95 = 49,544,500.26 : x
  2. Step 2: Convert to fraction form
    86,221,015.14/118,967,238.95 = 49,544,500.26/x
  3. Step 3: Cross multiply
    86,221,015.14x = 118,967,238.95 × 49,544,500.26
  4. Step 4: Simplify right side
    86,221,015.14x = 5,894,172,400,842,034
  5. Step 5: Solve for x
    x = 5,894,172,400,842,034/86,221,015.14
  6. Step 6: Final answer
    x = 68,361,203.95

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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.