Home / 147,115,381.52-203,016,746.22-81,042,060.44

Finding the Fourth Proportional to 147,115,381.52, 203,016,746.22 and 81,042,060.44

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Solution

The fourth proportional to 147,115,381.52, 203,016,746.22 and 81,042,060.44 is: 111,836,677.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,115,381.52 : 203,016,746.22 = 81,042,060.44 : x
  2. Step 2: Convert to fraction form
    147,115,381.52/203,016,746.22 = 81,042,060.44/x
  3. Step 3: Cross multiply
    147,115,381.52x = 203,016,746.22 × 81,042,060.44
  4. Step 4: Simplify right side
    147,115,381.52x = 16,452,895,416,478,298
  5. Step 5: Solve for x
    x = 16,452,895,416,478,298/147,115,381.52
  6. Step 6: Final answer
    x = 111,836,677.08

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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.