Home / 311,583,741.84-429,840,780.84-201,610,987.92

Finding the Fourth Proportional to 311,583,741.84, 429,840,780.84 and 201,610,987.92

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Solution

The fourth proportional to 311,583,741.84, 429,840,780.84 and 201,610,987.92 is: 278,129,481.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,583,741.84 : 429,840,780.84 = 201,610,987.92 : x
  2. Step 2: Convert to fraction form
    311,583,741.84/429,840,780.84 = 201,610,987.92/x
  3. Step 3: Cross multiply
    311,583,741.84x = 429,840,780.84 × 201,610,987.92
  4. Step 4: Simplify right side
    311,583,741.84x = 86,660,624,473,456,592
  5. Step 5: Solve for x
    x = 86,660,624,473,456,592/311,583,741.84
  6. Step 6: Final answer
    x = 278,129,481.22

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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.