Home / 116,215,782.62-160,372,605.51-66,620,600.42

Finding the Fourth Proportional to 116,215,782.62, 160,372,605.51 and 66,620,600.42

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Solution

The fourth proportional to 116,215,782.62, 160,372,605.51 and 66,620,600.42 is: 91,933,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,215,782.62 : 160,372,605.51 = 66,620,600.42 : x
  2. Step 2: Convert to fraction form
    116,215,782.62/160,372,605.51 = 66,620,600.42/x
  3. Step 3: Cross multiply
    116,215,782.62x = 160,372,605.51 × 66,620,600.42
  4. Step 4: Simplify right side
    116,215,782.62x = 10,684,119,269,194,136
  5. Step 5: Solve for x
    x = 10,684,119,269,194,136/116,215,782.62
  6. Step 6: Final answer
    x = 91,933,462.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.