Home / 82,794,961.40-124,192,442.10-28,269,114.80

Finding the Fourth Proportional to 82,794,961.40, 124,192,442.10 and 28,269,114.80

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Solution

The fourth proportional to 82,794,961.40, 124,192,442.10 and 28,269,114.80 is: 42,403,672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,794,961.40 : 124,192,442.10 = 28,269,114.80 : x
  2. Step 2: Convert to fraction form
    82,794,961.40/124,192,442.10 = 28,269,114.80/x
  3. Step 3: Cross multiply
    82,794,961.40x = 124,192,442.10 × 28,269,114.80
  4. Step 4: Simplify right side
    82,794,961.40x = 3,510,810,403,017,253
  5. Step 5: Solve for x
    x = 3,510,810,403,017,253/82,794,961.40
  6. Step 6: Final answer
    x = 42,403,672.20

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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.