Home / 76,564,470.66-114,846,115.50-19,056,355.53

Finding the Fourth Proportional to 76,564,470.66, 114,846,115.50 and 19,056,355.53

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Solution

The fourth proportional to 76,564,470.66, 114,846,115.50 and 19,056,355.53 is: 28,584,386.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,564,470.66 : 114,846,115.50 = 19,056,355.53 : x
  2. Step 2: Convert to fraction form
    76,564,470.66/114,846,115.50 = 19,056,355.53/x
  3. Step 3: Cross multiply
    76,564,470.66x = 114,846,115.50 × 19,056,355.53
  4. Step 4: Simplify right side
    76,564,470.66x = 2,188,548,408,207,443.75
  5. Step 5: Solve for x
    x = 2,188,548,408,207,443.75/76,564,470.66
  6. Step 6: Final answer
    x = 28,584,386.33

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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.