Home / 82,351,363.40-123,571,281.90-34,487,145.80

Finding the Fourth Proportional to 82,351,363.40, 123,571,281.90 and 34,487,145.80

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Solution

The fourth proportional to 82,351,363.40, 123,571,281.90 and 34,487,145.80 is: 51,749,244.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,351,363.40 : 123,571,281.90 = 34,487,145.80 : x
  2. Step 2: Convert to fraction form
    82,351,363.40/123,571,281.90 = 34,487,145.80/x
  3. Step 3: Cross multiply
    82,351,363.40x = 123,571,281.90 × 34,487,145.80
  4. Step 4: Simplify right side
    82,351,363.40x = 4,261,620,815,578,201
  5. Step 5: Solve for x
    x = 4,261,620,815,578,201/82,351,363.40
  6. Step 6: Final answer
    x = 51,749,244.21

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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.