Home / 81,948,005.44-113,088,015.36-45,278,315.20

Finding the Fourth Proportional to 81,948,005.44, 113,088,015.36 and 45,278,315.20

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Solution

The fourth proportional to 81,948,005.44, 113,088,015.36 and 45,278,315.20 is: 62,483,946.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,948,005.44 : 113,088,015.36 = 45,278,315.20 : x
  2. Step 2: Convert to fraction form
    81,948,005.44/113,088,015.36 = 45,278,315.20/x
  3. Step 3: Cross multiply
    81,948,005.44x = 113,088,015.36 × 45,278,315.20
  4. Step 4: Simplify right side
    81,948,005.44x = 5,120,434,804,812,522
  5. Step 5: Solve for x
    x = 5,120,434,804,812,522/81,948,005.44
  6. Step 6: Final answer
    x = 62,483,946.71

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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.