Home / 159,843,707.22-220,584,313.28-86,504,849.22

Finding the Fourth Proportional to 159,843,707.22, 220,584,313.28 and 86,504,849.22

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Solution

The fourth proportional to 159,843,707.22, 220,584,313.28 and 86,504,849.22 is: 119,376,690.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,843,707.22 : 220,584,313.28 = 86,504,849.22 : x
  2. Step 2: Convert to fraction form
    159,843,707.22/220,584,313.28 = 86,504,849.22/x
  3. Step 3: Cross multiply
    159,843,707.22x = 220,584,313.28 × 86,504,849.22
  4. Step 4: Simplify right side
    159,843,707.22x = 19,081,612,760,583,644
  5. Step 5: Solve for x
    x = 19,081,612,760,583,644/159,843,707.22
  6. Step 6: Final answer
    x = 119,376,690.47

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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.