Home / 201,112,998.15-301,669,497.30-109,279,993.35

Finding the Fourth Proportional to 201,112,998.15, 301,669,497.30 and 109,279,993.35

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Solution

The fourth proportional to 201,112,998.15, 301,669,497.30 and 109,279,993.35 is: 163,919,990.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,112,998.15 : 301,669,497.30 = 109,279,993.35 : x
  2. Step 2: Convert to fraction form
    201,112,998.15/301,669,497.30 = 109,279,993.35/x
  3. Step 3: Cross multiply
    201,112,998.15x = 301,669,497.30 × 109,279,993.35
  4. Step 4: Simplify right side
    201,112,998.15x = 32,966,440,658,841,844
  5. Step 5: Solve for x
    x = 32,966,440,658,841,844/201,112,998.15
  6. Step 6: Final answer
    x = 163,919,990.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.