Home / 110,918,408.52-153,015,832.38-71,772,825.24

Finding the Fourth Proportional to 110,918,408.52, 153,015,832.38 and 71,772,825.24

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Solution

The fourth proportional to 110,918,408.52, 153,015,832.38 and 71,772,825.24 is: 99,013,128.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,918,408.52 : 153,015,832.38 = 71,772,825.24 : x
  2. Step 2: Convert to fraction form
    110,918,408.52/153,015,832.38 = 71,772,825.24/x
  3. Step 3: Cross multiply
    110,918,408.52x = 153,015,832.38 × 71,772,825.24
  4. Step 4: Simplify right side
    110,918,408.52x = 10,982,378,596,362,872
  5. Step 5: Solve for x
    x = 10,982,378,596,362,872/110,918,408.52
  6. Step 6: Final answer
    x = 99,013,128.14

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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.