Home / 76,311,920.88-113,950,979.01-60,573,172.95

Finding the Fourth Proportional to 76,311,920.88, 113,950,979.01 and 60,573,172.95

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Solution

The fourth proportional to 76,311,920.88, 113,950,979.01 and 60,573,172.95 is: 90,449,464.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,311,920.88 : 113,950,979.01 = 60,573,172.95 : x
  2. Step 2: Convert to fraction form
    76,311,920.88/113,950,979.01 = 60,573,172.95/x
  3. Step 3: Cross multiply
    76,311,920.88x = 113,950,979.01 × 60,573,172.95
  4. Step 4: Simplify right side
    76,311,920.88x = 6,902,372,359,394,550
  5. Step 5: Solve for x
    x = 6,902,372,359,394,550/76,311,920.88
  6. Step 6: Final answer
    x = 90,449,464.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.