Home / 57,991,369.80-86,973,320.34-21,616,835.88

Finding the Fourth Proportional to 57,991,369.80, 86,973,320.34 and 21,616,835.88

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Solution

The fourth proportional to 57,991,369.80, 86,973,320.34 and 21,616,835.88 is: 32,420,134.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,991,369.80 : 86,973,320.34 = 21,616,835.88 : x
  2. Step 2: Convert to fraction form
    57,991,369.80/86,973,320.34 = 21,616,835.88/x
  3. Step 3: Cross multiply
    57,991,369.80x = 86,973,320.34 × 21,616,835.88
  4. Step 4: Simplify right side
    57,991,369.80x = 1,880,087,991,728,445.75
  5. Step 5: Solve for x
    x = 1,880,087,991,728,445.75/57,991,369.80
  6. Step 6: Final answer
    x = 32,420,134.21

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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.