Home / 52,150,980.80-78,254,464.80-21,861,905.60

Finding the Fourth Proportional to 52,150,980.80, 78,254,464.80 and 21,861,905.60

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Solution

The fourth proportional to 52,150,980.80, 78,254,464.80 and 21,861,905.60 is: 32,804,593.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,150,980.80 : 78,254,464.80 = 21,861,905.60 : x
  2. Step 2: Convert to fraction form
    52,150,980.80/78,254,464.80 = 21,861,905.60/x
  3. Step 3: Cross multiply
    52,150,980.80x = 78,254,464.80 × 21,861,905.60
  4. Step 4: Simplify right side
    52,150,980.80x = 1,710,791,722,236,123
  5. Step 5: Solve for x
    x = 1,710,791,722,236,123/52,150,980.80
  6. Step 6: Final answer
    x = 32,804,593.43

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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.