Home / 85,187,937.87-127,795,118.45-36,003,998.21

Finding the Fourth Proportional to 85,187,937.87, 127,795,118.45 and 36,003,998.21

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Solution

The fourth proportional to 85,187,937.87, 127,795,118.45 and 36,003,998.21 is: 54,011,581.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,187,937.87 : 127,795,118.45 = 36,003,998.21 : x
  2. Step 2: Convert to fraction form
    85,187,937.87/127,795,118.45 = 36,003,998.21/x
  3. Step 3: Cross multiply
    85,187,937.87x = 127,795,118.45 × 36,003,998.21
  4. Step 4: Simplify right side
    85,187,937.87x = 4,601,135,215,101,542
  5. Step 5: Solve for x
    x = 4,601,135,215,101,542/85,187,937.87
  6. Step 6: Final answer
    x = 54,011,581.10

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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.