Home / 99,952,997.80-149,761,535.10-48,724,709.80

Finding the Fourth Proportional to 99,952,997.80, 149,761,535.10 and 48,724,709.80

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Solution

The fourth proportional to 99,952,997.80, 149,761,535.10 and 48,724,709.80 is: 73,005,187.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,952,997.80 : 149,761,535.10 = 48,724,709.80 : x
  2. Step 2: Convert to fraction form
    99,952,997.80/149,761,535.10 = 48,724,709.80/x
  3. Step 3: Cross multiply
    99,952,997.80x = 149,761,535.10 × 48,724,709.80
  4. Step 4: Simplify right side
    99,952,997.80x = 7,297,087,336,950,013
  5. Step 5: Solve for x
    x = 7,297,087,336,950,013/99,952,997.80
  6. Step 6: Final answer
    x = 73,005,187.41

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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.