Home / 242,215,736.56-363,379,242.10-69,693,979.12

Finding the Fourth Proportional to 242,215,736.56, 363,379,242.10 and 69,693,979.12

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Solution

The fourth proportional to 242,215,736.56, 363,379,242.10 and 69,693,979.12 is: 104,556,977.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,215,736.56 : 363,379,242.10 = 69,693,979.12 : x
  2. Step 2: Convert to fraction form
    242,215,736.56/363,379,242.10 = 69,693,979.12/x
  3. Step 3: Cross multiply
    242,215,736.56x = 363,379,242.10 × 69,693,979.12
  4. Step 4: Simplify right side
    242,215,736.56x = 25,325,345,311,558,828
  5. Step 5: Solve for x
    x = 25,325,345,311,558,828/242,215,736.56
  6. Step 6: Final answer
    x = 104,556,977.47

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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.