Home / 57,474,761.80-86,235,762.30-21,100,577.80

Finding the Fourth Proportional to 57,474,761.80, 86,235,762.30 and 21,100,577.80

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Solution

The fourth proportional to 57,474,761.80, 86,235,762.30 and 21,100,577.80 is: 31,659,538.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,474,761.80 : 86,235,762.30 = 21,100,577.80 : x
  2. Step 2: Convert to fraction form
    57,474,761.80/86,235,762.30 = 21,100,577.80/x
  3. Step 3: Cross multiply
    57,474,761.80x = 86,235,762.30 × 21,100,577.80
  4. Step 4: Simplify right side
    57,474,761.80x = 1,819,624,411,553,457
  5. Step 5: Solve for x
    x = 1,819,624,411,553,457/57,474,761.80
  6. Step 6: Final answer
    x = 31,659,538.11

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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.