Home / 128,304,843.10-192,457,264.65-127,171,102.30

Finding the Fourth Proportional to 128,304,843.10, 192,457,264.65 and 127,171,102.30

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Solution

The fourth proportional to 128,304,843.10, 192,457,264.65 and 127,171,102.30 is: 190,756,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,304,843.10 : 192,457,264.65 = 127,171,102.30 : x
  2. Step 2: Convert to fraction form
    128,304,843.10/192,457,264.65 = 127,171,102.30/x
  3. Step 3: Cross multiply
    128,304,843.10x = 192,457,264.65 × 127,171,102.30
  4. Step 4: Simplify right side
    128,304,843.10x = 24,475,002,491,183,324
  5. Step 5: Solve for x
    x = 24,475,002,491,183,324/128,304,843.10
  6. Step 6: Final answer
    x = 190,756,653.45

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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.