Home / 99,870,134.85-149,805,202.29-28,066,550.85

Finding the Fourth Proportional to 99,870,134.85, 149,805,202.29 and 28,066,550.85

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Solution

The fourth proportional to 99,870,134.85, 149,805,202.29 and 28,066,550.85 is: 42,099,826.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,870,134.85 : 149,805,202.29 = 28,066,550.85 : x
  2. Step 2: Convert to fraction form
    99,870,134.85/149,805,202.29 = 28,066,550.85/x
  3. Step 3: Cross multiply
    99,870,134.85x = 149,805,202.29 × 28,066,550.85
  4. Step 4: Simplify right side
    99,870,134.85x = 4,204,515,327,666,821.50
  5. Step 5: Solve for x
    x = 4,204,515,327,666,821.50/99,870,134.85
  6. Step 6: Final answer
    x = 42,099,826.28

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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.