Home / 52,150,983.80-78,254,469.30-21,861,908.60

Finding the Fourth Proportional to 52,150,983.80, 78,254,469.30 and 21,861,908.60

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Solution

The fourth proportional to 52,150,983.80, 78,254,469.30 and 21,861,908.60 is: 32,804,597.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,150,983.80 : 78,254,469.30 = 21,861,908.60 : x
  2. Step 2: Convert to fraction form
    52,150,983.80/78,254,469.30 = 21,861,908.60/x
  3. Step 3: Cross multiply
    52,150,983.80x = 78,254,469.30 × 21,861,908.60
  4. Step 4: Simplify right side
    52,150,983.80x = 1,710,792,055,378,106
  5. Step 5: Solve for x
    x = 1,710,792,055,378,106/52,150,983.80
  6. Step 6: Final answer
    x = 32,804,597.93

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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.