Home / 67,326,442.69-100,989,664.20-51,996,093.13

Finding the Fourth Proportional to 67,326,442.69, 100,989,664.20 and 51,996,093.13

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Solution

The fourth proportional to 67,326,442.69, 100,989,664.20 and 51,996,093.13 is: 77,994,139.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,326,442.69 : 100,989,664.20 = 51,996,093.13 : x
  2. Step 2: Convert to fraction form
    67,326,442.69/100,989,664.20 = 51,996,093.13/x
  3. Step 3: Cross multiply
    67,326,442.69x = 100,989,664.20 × 51,996,093.13
  4. Step 4: Simplify right side
    67,326,442.69x = 5,251,067,984,614,906
  5. Step 5: Solve for x
    x = 5,251,067,984,614,906/67,326,442.69
  6. Step 6: Final answer
    x = 77,994,139.82

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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.