Home / 242,284,418.88-363,471,768.12-78,507,570.48

Finding the Fourth Proportional to 242,284,418.88, 363,471,768.12 and 78,507,570.48

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Solution

The fourth proportional to 242,284,418.88, 363,471,768.12 and 78,507,570.48 is: 117,775,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,284,418.88 : 363,471,768.12 = 78,507,570.48 : x
  2. Step 2: Convert to fraction form
    242,284,418.88/363,471,768.12 = 78,507,570.48/x
  3. Step 3: Cross multiply
    242,284,418.88x = 363,471,768.12 × 78,507,570.48
  4. Step 4: Simplify right side
    242,284,418.88x = 28,535,285,453,171,120
  5. Step 5: Solve for x
    x = 28,535,285,453,171,120/242,284,418.88
  6. Step 6: Final answer
    x = 117,775,982.40

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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.