Home / 228,080,801.87-314,757,704.20-128,976,376.04

Finding the Fourth Proportional to 228,080,801.87, 314,757,704.20 and 128,976,376.04

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Solution

The fourth proportional to 228,080,801.87, 314,757,704.20 and 128,976,376.04 is: 177,990,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,080,801.87 : 314,757,704.20 = 128,976,376.04 : x
  2. Step 2: Convert to fraction form
    228,080,801.87/314,757,704.20 = 128,976,376.04/x
  3. Step 3: Cross multiply
    228,080,801.87x = 314,757,704.20 × 128,976,376.04
  4. Step 4: Simplify right side
    228,080,801.87x = 40,596,308,016,812,496
  5. Step 5: Solve for x
    x = 40,596,308,016,812,496/228,080,801.87
  6. Step 6: Final answer
    x = 177,990,903.60

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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.