Home / 320,615,360.88-442,449,358.20-173,937,606

Finding the Fourth Proportional to 320,615,360.88, 442,449,358.20 and 173,937,606

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Solution

The fourth proportional to 320,615,360.88, 442,449,358.20 and 173,937,606 is: 240,033,983.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,615,360.88 : 442,449,358.20 = 173,937,606 : x
  2. Step 2: Convert to fraction form
    320,615,360.88/442,449,358.20 = 173,937,606/x
  3. Step 3: Cross multiply
    320,615,360.88x = 442,449,358.20 × 173,937,606
  4. Step 4: Simplify right side
    320,615,360.88x = 76,958,582,141,544,464
  5. Step 5: Solve for x
    x = 76,958,582,141,544,464/320,615,360.88
  6. Step 6: Final answer
    x = 240,033,983.18

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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.