Home / 81,948,259.44-113,088,365.88-45,278,569.20

Finding the Fourth Proportional to 81,948,259.44, 113,088,365.88 and 45,278,569.20

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Solution

The fourth proportional to 81,948,259.44, 113,088,365.88 and 45,278,569.20 is: 62,484,297.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,948,259.44 : 113,088,365.88 = 45,278,569.20 : x
  2. Step 2: Convert to fraction form
    81,948,259.44/113,088,365.88 = 45,278,569.20/x
  3. Step 3: Cross multiply
    81,948,259.44x = 113,088,365.88 × 45,278,569.20
  4. Step 4: Simplify right side
    81,948,259.44x = 5,120,479,400,212,499
  5. Step 5: Solve for x
    x = 5,120,479,400,212,499/81,948,259.44
  6. Step 6: Final answer
    x = 62,484,297.23

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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.