Home / 126,024,446.10-188,658,755.55-74,880,138.90

Finding the Fourth Proportional to 126,024,446.10, 188,658,755.55 and 74,880,138.90

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Solution

The fourth proportional to 126,024,446.10, 188,658,755.55 and 74,880,138.90 is: 112,095,662.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,024,446.10 : 188,658,755.55 = 74,880,138.90 : x
  2. Step 2: Convert to fraction form
    126,024,446.10/188,658,755.55 = 74,880,138.90/x
  3. Step 3: Cross multiply
    126,024,446.10x = 188,658,755.55 × 74,880,138.90
  4. Step 4: Simplify right side
    126,024,446.10x = 14,126,793,820,285,148
  5. Step 5: Solve for x
    x = 14,126,793,820,285,148/126,024,446.10
  6. Step 6: Final answer
    x = 112,095,662.85

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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.