Home / 285,304,944.50-428,103,845.88-135,908,596.40

Finding the Fourth Proportional to 285,304,944.50, 428,103,845.88 and 135,908,596.40

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Solution

The fourth proportional to 285,304,944.50, 428,103,845.88 and 135,908,596.40 is: 203,932,647.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,304,944.50 : 428,103,845.88 = 135,908,596.40 : x
  2. Step 2: Convert to fraction form
    285,304,944.50/428,103,845.88 = 135,908,596.40/x
  3. Step 3: Cross multiply
    285,304,944.50x = 428,103,845.88 × 135,908,596.40
  4. Step 4: Simplify right side
    285,304,944.50x = 58,182,992,806,992,728
  5. Step 5: Solve for x
    x = 58,182,992,806,992,728/285,304,944.50
  6. Step 6: Final answer
    x = 203,932,647.96

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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.