Home / 72,026,189.56-108,039,561.36-17,438,684.14

Finding the Fourth Proportional to 72,026,189.56, 108,039,561.36 and 17,438,684.14

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Solution

The fourth proportional to 72,026,189.56, 108,039,561.36 and 17,438,684.14 is: 26,158,093.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,026,189.56 : 108,039,561.36 = 17,438,684.14 : x
  2. Step 2: Convert to fraction form
    72,026,189.56/108,039,561.36 = 17,438,684.14/x
  3. Step 3: Cross multiply
    72,026,189.56x = 108,039,561.36 × 17,438,684.14
  4. Step 4: Simplify right side
    72,026,189.56x = 1,884,067,785,181,189
  5. Step 5: Solve for x
    x = 1,884,067,785,181,189/72,026,189.56
  6. Step 6: Final answer
    x = 26,158,093.28

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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.