Home / 86,221,014.64-118,967,238.25-49,544,499.76

Finding the Fourth Proportional to 86,221,014.64, 118,967,238.25 and 49,544,499.76

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Solution

The fourth proportional to 86,221,014.64, 118,967,238.25 and 49,544,499.76 is: 68,361,203.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,221,014.64 : 118,967,238.25 = 49,544,499.76 : x
  2. Step 2: Convert to fraction form
    86,221,014.64/118,967,238.25 = 49,544,499.76/x
  3. Step 3: Cross multiply
    86,221,014.64x = 118,967,238.25 × 49,544,499.76
  4. Step 4: Simplify right side
    86,221,014.64x = 5,894,172,306,782,644
  5. Step 5: Solve for x
    x = 5,894,172,306,782,644/86,221,014.64
  6. Step 6: Final answer
    x = 68,361,203.26

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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.