Home / 152,280,446.40-228,420,669.60-80,616,830.40

Finding the Fourth Proportional to 152,280,446.40, 228,420,669.60 and 80,616,830.40

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Solution

The fourth proportional to 152,280,446.40, 228,420,669.60 and 80,616,830.40 is: 120,925,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,280,446.40 : 228,420,669.60 = 80,616,830.40 : x
  2. Step 2: Convert to fraction form
    152,280,446.40/228,420,669.60 = 80,616,830.40/x
  3. Step 3: Cross multiply
    152,280,446.40x = 228,420,669.60 × 80,616,830.40
  4. Step 4: Simplify right side
    152,280,446.40x = 18,414,550,380,997,636
  5. Step 5: Solve for x
    x = 18,414,550,380,997,636/152,280,446.40
  6. Step 6: Final answer
    x = 120,925,245.60

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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.