Home / 52,652,912.70-78,979,369.05-31,076,408.10

Finding the Fourth Proportional to 52,652,912.70, 78,979,369.05 and 31,076,408.10

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Solution

The fourth proportional to 52,652,912.70, 78,979,369.05 and 31,076,408.10 is: 46,614,612.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,652,912.70 : 78,979,369.05 = 31,076,408.10 : x
  2. Step 2: Convert to fraction form
    52,652,912.70/78,979,369.05 = 31,076,408.10/x
  3. Step 3: Cross multiply
    52,652,912.70x = 78,979,369.05 × 31,076,408.10
  4. Step 4: Simplify right side
    52,652,912.70x = 2,454,395,104,078,309.50
  5. Step 5: Solve for x
    x = 2,454,395,104,078,309.50/52,652,912.70
  6. Step 6: Final answer
    x = 46,614,612.15

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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.