Home / 187,407,244.22-258,624,638.28-107,978,407.70

Finding the Fourth Proportional to 187,407,244.22, 258,624,638.28 and 107,978,407.70

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Solution

The fourth proportional to 187,407,244.22, 258,624,638.28 and 107,978,407.70 is: 149,011,724.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,407,244.22 : 258,624,638.28 = 107,978,407.70 : x
  2. Step 2: Convert to fraction form
    187,407,244.22/258,624,638.28 = 107,978,407.70/x
  3. Step 3: Cross multiply
    187,407,244.22x = 258,624,638.28 × 107,978,407.70
  4. Step 4: Simplify right side
    187,407,244.22x = 27,925,876,633,462,868
  5. Step 5: Solve for x
    x = 27,925,876,633,462,868/187,407,244.22
  6. Step 6: Final answer
    x = 149,011,724.44

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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.