Home / 228,543,073.37-315,408,892.60-129,441,450.35

Finding the Fourth Proportional to 228,543,073.37, 315,408,892.60 and 129,441,450.35

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Solution

The fourth proportional to 228,543,073.37, 315,408,892.60 and 129,441,450.35 is: 178,640,218.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,543,073.37 : 315,408,892.60 = 129,441,450.35 : x
  2. Step 2: Convert to fraction form
    228,543,073.37/315,408,892.60 = 129,441,450.35/x
  3. Step 3: Cross multiply
    228,543,073.37x = 315,408,892.60 × 129,441,450.35
  4. Step 4: Simplify right side
    228,543,073.37x = 40,826,984,509,880,352
  5. Step 5: Solve for x
    x = 40,826,984,509,880,352/228,543,073.37
  6. Step 6: Final answer
    x = 178,640,218.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.