Home / 229,808,391.75-316,765,109.50-155,441,832.08

Finding the Fourth Proportional to 229,808,391.75, 316,765,109.50 and 155,441,832.08

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Solution

The fourth proportional to 229,808,391.75, 316,765,109.50 and 155,441,832.08 is: 214,259,142.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,808,391.75 : 316,765,109.50 = 155,441,832.08 : x
  2. Step 2: Convert to fraction form
    229,808,391.75/316,765,109.50 = 155,441,832.08/x
  3. Step 3: Cross multiply
    229,808,391.75x = 316,765,109.50 × 155,441,832.08
  4. Step 4: Simplify right side
    229,808,391.75x = 49,238,548,957,729,376
  5. Step 5: Solve for x
    x = 49,238,548,957,729,376/229,808,391.75
  6. Step 6: Final answer
    x = 214,259,142.51

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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.