Home / 100,613,663.52-138,852,322.26-55,964,352.60

Finding the Fourth Proportional to 100,613,663.52, 138,852,322.26 and 55,964,352.60

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Solution

The fourth proportional to 100,613,663.52, 138,852,322.26 and 55,964,352.60 is: 77,233,847.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,613,663.52 : 138,852,322.26 = 55,964,352.60 : x
  2. Step 2: Convert to fraction form
    100,613,663.52/138,852,322.26 = 55,964,352.60/x
  3. Step 3: Cross multiply
    100,613,663.52x = 138,852,322.26 × 55,964,352.60
  4. Step 4: Simplify right side
    100,613,663.52x = 7,770,780,322,287,469
  5. Step 5: Solve for x
    x = 7,770,780,322,287,469/100,613,663.52
  6. Step 6: Final answer
    x = 77,233,847.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.