Home / 147,147,712.39-203,073,015.37-81,068,196.97

Finding the Fourth Proportional to 147,147,712.39, 203,073,015.37 and 81,068,196.97

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Solution

The fourth proportional to 147,147,712.39, 203,073,015.37 and 81,068,196.97 is: 111,879,165.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,147,712.39 : 203,073,015.37 = 81,068,196.97 : x
  2. Step 2: Convert to fraction form
    147,147,712.39/203,073,015.37 = 81,068,196.97/x
  3. Step 3: Cross multiply
    147,147,712.39x = 203,073,015.37 × 81,068,196.97
  4. Step 4: Simplify right side
    147,147,712.39x = 16,462,763,209,306,998
  5. Step 5: Solve for x
    x = 16,462,763,209,306,998/147,147,712.39
  6. Step 6: Final answer
    x = 111,879,165.11

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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.