Home / 285,192,316.80-427,788,475.20-132,137,308.80

Finding the Fourth Proportional to 285,192,316.80, 427,788,475.20 and 132,137,308.80

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Solution

The fourth proportional to 285,192,316.80, 427,788,475.20 and 132,137,308.80 is: 198,205,963.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,192,316.80 : 427,788,475.20 = 132,137,308.80 : x
  2. Step 2: Convert to fraction form
    285,192,316.80/427,788,475.20 = 132,137,308.80/x
  3. Step 3: Cross multiply
    285,192,316.80x = 427,788,475.20 × 132,137,308.80
  4. Step 4: Simplify right side
    285,192,316.80x = 56,526,817,848,583,536
  5. Step 5: Solve for x
    x = 56,526,817,848,583,536/285,192,316.80
  6. Step 6: Final answer
    x = 198,205,963.20

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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.