Home / 222,972,688.24-307,702,309.56-125,189,643.76

Finding the Fourth Proportional to 222,972,688.24, 307,702,309.56 and 125,189,643.76

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Solution

The fourth proportional to 222,972,688.24, 307,702,309.56 and 125,189,643.76 is: 172,761,708.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,972,688.24 : 307,702,309.56 = 125,189,643.76 : x
  2. Step 2: Convert to fraction form
    222,972,688.24/307,702,309.56 = 125,189,643.76/x
  3. Step 3: Cross multiply
    222,972,688.24x = 307,702,309.56 × 125,189,643.76
  4. Step 4: Simplify right side
    222,972,688.24x = 38,521,142,517,945,648
  5. Step 5: Solve for x
    x = 38,521,142,517,945,648/222,972,688.24
  6. Step 6: Final answer
    x = 172,761,708.27

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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.