Home / 202,295,988.92-279,169,344.40-109,476,505

Finding the Fourth Proportional to 202,295,988.92, 279,169,344.40 and 109,476,505

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Solution

The fourth proportional to 202,295,988.92, 279,169,344.40 and 109,476,505 is: 151,078,052.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,295,988.92 : 279,169,344.40 = 109,476,505 : x
  2. Step 2: Convert to fraction form
    202,295,988.92/279,169,344.40 = 109,476,505/x
  3. Step 3: Cross multiply
    202,295,988.92x = 279,169,344.40 × 109,476,505
  4. Step 4: Simplify right side
    202,295,988.92x = 30,562,484,128,053,320
  5. Step 5: Solve for x
    x = 30,562,484,128,053,320/202,295,988.92
  6. Step 6: Final answer
    x = 151,078,052.96

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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.