Home / 256,420,855.20-384,631,282.80-110,752,877.10

Finding the Fourth Proportional to 256,420,855.20, 384,631,282.80 and 110,752,877.10

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Solution

The fourth proportional to 256,420,855.20, 384,631,282.80 and 110,752,877.10 is: 166,129,315.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,420,855.20 : 384,631,282.80 = 110,752,877.10 : x
  2. Step 2: Convert to fraction form
    256,420,855.20/384,631,282.80 = 110,752,877.10/x
  3. Step 3: Cross multiply
    256,420,855.20x = 384,631,282.80 × 110,752,877.10
  4. Step 4: Simplify right side
    256,420,855.20x = 42,599,021,192,763,744
  5. Step 5: Solve for x
    x = 42,599,021,192,763,744/256,420,855.20
  6. Step 6: Final answer
    x = 166,129,315.65

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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.