Home / 89,577,309.90-123,616,384.52-50,419,063.96

Finding the Fourth Proportional to 89,577,309.90, 123,616,384.52 and 50,419,063.96

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Solution

The fourth proportional to 89,577,309.90, 123,616,384.52 and 50,419,063.96 is: 69,578,137.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,577,309.90 : 123,616,384.52 = 50,419,063.96 : x
  2. Step 2: Convert to fraction form
    89,577,309.90/123,616,384.52 = 50,419,063.96/x
  3. Step 3: Cross multiply
    89,577,309.90x = 123,616,384.52 × 50,419,063.96
  4. Step 4: Simplify right side
    89,577,309.90x = 6,232,622,397,617,834
  5. Step 5: Solve for x
    x = 6,232,622,397,617,834/89,577,309.90
  6. Step 6: Final answer
    x = 69,578,137.64

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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.