Home / 122,561,222.04-169,133,473.17-66,805,628.58

Finding the Fourth Proportional to 122,561,222.04, 169,133,473.17 and 66,805,628.58

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Solution

The fourth proportional to 122,561,222.04, 169,133,473.17 and 66,805,628.58 is: 92,191,215.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,561,222.04 : 169,133,473.17 = 66,805,628.58 : x
  2. Step 2: Convert to fraction form
    122,561,222.04/169,133,473.17 = 66,805,628.58/x
  3. Step 3: Cross multiply
    122,561,222.04x = 169,133,473.17 × 66,805,628.58
  4. Step 4: Simplify right side
    122,561,222.04x = 11,299,067,989,040,414
  5. Step 5: Solve for x
    x = 11,299,067,989,040,414/122,561,222.04
  6. Step 6: Final answer
    x = 92,191,215.14

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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.