Home / 242,215,561.80-363,378,979.98-69,693,804.36

Finding the Fourth Proportional to 242,215,561.80, 363,378,979.98 and 69,693,804.36

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Solution

The fourth proportional to 242,215,561.80, 363,378,979.98 and 69,693,804.36 is: 104,556,715.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,215,561.80 : 363,378,979.98 = 69,693,804.36 : x
  2. Step 2: Convert to fraction form
    242,215,561.80/363,378,979.98 = 69,693,804.36/x
  3. Step 3: Cross multiply
    242,215,561.80x = 363,378,979.98 × 69,693,804.36
  4. Step 4: Simplify right side
    242,215,561.80x = 25,325,263,539,262,476
  5. Step 5: Solve for x
    x = 25,325,263,539,262,476/242,215,561.80
  6. Step 6: Final answer
    x = 104,556,715.31

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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.