Home / 89,678,129.40-134,517,194.10-88,922,302.20

Finding the Fourth Proportional to 89,678,129.40, 134,517,194.10 and 88,922,302.20

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Solution

The fourth proportional to 89,678,129.40, 134,517,194.10 and 88,922,302.20 is: 133,383,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,678,129.40 : 134,517,194.10 = 88,922,302.20 : x
  2. Step 2: Convert to fraction form
    89,678,129.40/134,517,194.10 = 88,922,302.20/x
  3. Step 3: Cross multiply
    89,678,129.40x = 134,517,194.10 × 88,922,302.20
  4. Step 4: Simplify right side
    89,678,129.40x = 11,961,578,584,856,256
  5. Step 5: Solve for x
    x = 11,961,578,584,856,256/89,678,129.40
  6. Step 6: Final answer
    x = 133,383,453.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.