Home / 101,631,309.57-152,446,662.73-28,848,151.87

Finding the Fourth Proportional to 101,631,309.57, 152,446,662.73 and 28,848,151.87

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Solution

The fourth proportional to 101,631,309.57, 152,446,662.73 and 28,848,151.87 is: 43,272,142.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,631,309.57 : 152,446,662.73 = 28,848,151.87 : x
  2. Step 2: Convert to fraction form
    101,631,309.57/152,446,662.73 = 28,848,151.87/x
  3. Step 3: Cross multiply
    101,631,309.57x = 152,446,662.73 × 28,848,151.87
  4. Step 4: Simplify right side
    101,631,309.57x = 4,397,804,478,509,708.50
  5. Step 5: Solve for x
    x = 4,397,804,478,509,708.50/101,631,309.57
  6. Step 6: Final answer
    x = 43,272,142.19

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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.