Home / 69,014,584.20-103,395,905.10-56,165,521.80

Finding the Fourth Proportional to 69,014,584.20, 103,395,905.10 and 56,165,521.80

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Solution

The fourth proportional to 69,014,584.20, 103,395,905.10 and 56,165,521.80 is: 84,145,764.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,014,584.20 : 103,395,905.10 = 56,165,521.80 : x
  2. Step 2: Convert to fraction form
    69,014,584.20/103,395,905.10 = 56,165,521.80/x
  3. Step 3: Cross multiply
    69,014,584.20x = 103,395,905.10 × 56,165,521.80
  4. Step 4: Simplify right side
    69,014,584.20x = 5,807,284,961,924,781
  5. Step 5: Solve for x
    x = 5,807,284,961,924,781/69,014,584.20
  6. Step 6: Final answer
    x = 84,145,764.68

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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.