Home / 418,620,261.03-627,882,478.77-111,936,288.75

Finding the Fourth Proportional to 418,620,261.03, 627,882,478.77 and 111,936,288.75

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Solution

The fourth proportional to 418,620,261.03, 627,882,478.77 and 111,936,288.75 is: 167,891,621.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,620,261.03 : 627,882,478.77 = 111,936,288.75 : x
  2. Step 2: Convert to fraction form
    418,620,261.03/627,882,478.77 = 111,936,288.75/x
  3. Step 3: Cross multiply
    418,620,261.03x = 627,882,478.77 × 111,936,288.75
  4. Step 4: Simplify right side
    418,620,261.03x = 70,282,834,444,664,464
  5. Step 5: Solve for x
    x = 70,282,834,444,664,464/418,620,261.03
  6. Step 6: Final answer
    x = 167,891,621.57

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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.