Home / 159,822,913,757.28-220,527,588,907.08-91,202,996,745.60

Finding the Fourth Proportional to 159,822,913,757.28, 220,527,588,907.08 and 91,202,996,745.60

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Solution

The fourth proportional to 159,822,913,757.28, 220,527,588,907.08 and 91,202,996,745.60 is: 125,844,138,994.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,822,913,757.28 : 220,527,588,907.08 = 91,202,996,745.60 : x
  2. Step 2: Convert to fraction form
    159,822,913,757.28/220,527,588,907.08 = 91,202,996,745.60/x
  3. Step 3: Cross multiply
    159,822,913,757.28x = 220,527,588,907.08 × 91,202,996,745.60
  4. Step 4: Simplify right side
    159,822,913,757.28x = 20,112,776,973,407,433,523,200
  5. Step 5: Solve for x
    x = 20,112,776,973,407,433,523,200/159,822,913,757.28
  6. Step 6: Final answer
    x = 125,844,138,994.69

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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.