Home / 161,844,052.70-223,362,101.09-99,161,749.28

Finding the Fourth Proportional to 161,844,052.70, 223,362,101.09 and 99,161,749.28

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Solution

The fourth proportional to 161,844,052.70, 223,362,101.09 and 99,161,749.28 is: 136,853,818.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,844,052.70 : 223,362,101.09 = 99,161,749.28 : x
  2. Step 2: Convert to fraction form
    161,844,052.70/223,362,101.09 = 99,161,749.28/x
  3. Step 3: Cross multiply
    161,844,052.70x = 223,362,101.09 × 99,161,749.28
  4. Step 4: Simplify right side
    161,844,052.70x = 22,148,976,665,327,976
  5. Step 5: Solve for x
    x = 22,148,976,665,327,976/161,844,052.70
  6. Step 6: Final answer
    x = 136,853,818.82

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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.