Home / 123,237,902.53-170,073,618.78-68,233,759.03

Finding the Fourth Proportional to 123,237,902.53, 170,073,618.78 and 68,233,759.03

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Solution

The fourth proportional to 123,237,902.53, 170,073,618.78 and 68,233,759.03 is: 94,165,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,237,902.53 : 170,073,618.78 = 68,233,759.03 : x
  2. Step 2: Convert to fraction form
    123,237,902.53/170,073,618.78 = 68,233,759.03/x
  3. Step 3: Cross multiply
    123,237,902.53x = 170,073,618.78 × 68,233,759.03
  4. Step 4: Simplify right side
    123,237,902.53x = 11,604,762,321,194,602
  5. Step 5: Solve for x
    x = 11,604,762,321,194,602/123,237,902.53
  6. Step 6: Final answer
    x = 94,165,529.30

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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.