Home / 89,961,389.30-134,942,085.39-21,804,081.05

Finding the Fourth Proportional to 89,961,389.30, 134,942,085.39 and 21,804,081.05

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Solution

The fourth proportional to 89,961,389.30, 134,942,085.39 and 21,804,081.05 is: 32,706,121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,961,389.30 : 134,942,085.39 = 21,804,081.05 : x
  2. Step 2: Convert to fraction form
    89,961,389.30/134,942,085.39 = 21,804,081.05/x
  3. Step 3: Cross multiply
    89,961,389.30x = 134,942,085.39 × 21,804,081.05
  4. Step 4: Simplify right side
    89,961,389.30x = 2,942,288,166,899,580.50
  5. Step 5: Solve for x
    x = 2,942,288,166,899,580.50/89,961,389.30
  6. Step 6: Final answer
    x = 32,706,121.92

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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.