Home / 89,836,118.62-134,754,190.89-21,678,810.64

Finding the Fourth Proportional to 89,836,118.62, 134,754,190.89 and 21,678,810.64

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Solution

The fourth proportional to 89,836,118.62, 134,754,190.89 and 21,678,810.64 is: 32,518,219.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,836,118.62 : 134,754,190.89 = 21,678,810.64 : x
  2. Step 2: Convert to fraction form
    89,836,118.62/134,754,190.89 = 21,678,810.64/x
  3. Step 3: Cross multiply
    89,836,118.62x = 134,754,190.89 × 21,678,810.64
  4. Step 4: Simplify right side
    89,836,118.62x = 2,921,310,587,250,723
  5. Step 5: Solve for x
    x = 2,921,310,587,250,723/89,836,118.62
  6. Step 6: Final answer
    x = 32,518,219.09

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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.