Home / 89,577,310.90-123,616,385.90-50,419,064.96

Finding the Fourth Proportional to 89,577,310.90, 123,616,385.90 and 50,419,064.96

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Solution

The fourth proportional to 89,577,310.90, 123,616,385.90 and 50,419,064.96 is: 69,578,139.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,577,310.90 : 123,616,385.90 = 50,419,064.96 : x
  2. Step 2: Convert to fraction form
    89,577,310.90/123,616,385.90 = 50,419,064.96/x
  3. Step 3: Cross multiply
    89,577,310.90x = 123,616,385.90 × 50,419,064.96
  4. Step 4: Simplify right side
    89,577,310.90x = 6,232,622,590,812,528
  5. Step 5: Solve for x
    x = 6,232,622,590,812,528/89,577,310.90
  6. Step 6: Final answer
    x = 69,578,139.02

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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.