Home / 187,112,990.49-258,187,240.83-107,712,704.01

Finding the Fourth Proportional to 187,112,990.49, 258,187,240.83 and 107,712,704.01

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Solution

The fourth proportional to 187,112,990.49, 258,187,240.83 and 107,712,704.01 is: 148,627,018.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,112,990.49 : 258,187,240.83 = 107,712,704.01 : x
  2. Step 2: Convert to fraction form
    187,112,990.49/258,187,240.83 = 107,712,704.01/x
  3. Step 3: Cross multiply
    187,112,990.49x = 258,187,240.83 × 107,712,704.01
  4. Step 4: Simplify right side
    187,112,990.49x = 27,810,045,850,680,380
  5. Step 5: Solve for x
    x = 27,810,045,850,680,380/187,112,990.49
  6. Step 6: Final answer
    x = 148,627,018.24

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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.