Home / 201,112,999.15-301,669,498.80-109,279,994.35

Finding the Fourth Proportional to 201,112,999.15, 301,669,498.80 and 109,279,994.35

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Solution

The fourth proportional to 201,112,999.15, 301,669,498.80 and 109,279,994.35 is: 163,919,991.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,112,999.15 : 301,669,498.80 = 109,279,994.35 : x
  2. Step 2: Convert to fraction form
    201,112,999.15/301,669,498.80 = 109,279,994.35/x
  3. Step 3: Cross multiply
    201,112,999.15x = 301,669,498.80 × 109,279,994.35
  4. Step 4: Simplify right side
    201,112,999.15x = 32,966,441,124,431,332
  5. Step 5: Solve for x
    x = 32,966,441,124,431,332/201,112,999.15
  6. Step 6: Final answer
    x = 163,919,991.57

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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.