Home / 281,692,962.56-388,592,177.28-187,768,835.84

Finding the Fourth Proportional to 281,692,962.56, 388,592,177.28 and 187,768,835.84

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Solution

The fourth proportional to 281,692,962.56, 388,592,177.28 and 187,768,835.84 is: 259,024,932.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,692,962.56 : 388,592,177.28 = 187,768,835.84 : x
  2. Step 2: Convert to fraction form
    281,692,962.56/388,592,177.28 = 187,768,835.84/x
  3. Step 3: Cross multiply
    281,692,962.56x = 388,592,177.28 × 187,768,835.84
  4. Step 4: Simplify right side
    281,692,962.56x = 72,965,500,744,396,496
  5. Step 5: Solve for x
    x = 72,965,500,744,396,496/281,692,962.56
  6. Step 6: Final answer
    x = 259,024,932.97

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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.