Home / 226,191,534.81-312,169,593.45-136,932,659.31

Finding the Fourth Proportional to 226,191,534.81, 312,169,593.45 and 136,932,659.31

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Solution

The fourth proportional to 226,191,534.81, 312,169,593.45 and 136,932,659.31 is: 188,982,371.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,191,534.81 : 312,169,593.45 = 136,932,659.31 : x
  2. Step 2: Convert to fraction form
    226,191,534.81/312,169,593.45 = 136,932,659.31/x
  3. Step 3: Cross multiply
    226,191,534.81x = 312,169,593.45 × 136,932,659.31
  4. Step 4: Simplify right side
    226,191,534.81x = 42,746,212,586,830,056
  5. Step 5: Solve for x
    x = 42,746,212,586,830,056/226,191,534.81
  6. Step 6: Final answer
    x = 188,982,371.17

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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.