Home / 191,162,068.20-263,708,153.82-120,685,024.44

Finding the Fourth Proportional to 191,162,068.20, 263,708,153.82 and 120,685,024.44

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Solution

The fourth proportional to 191,162,068.20, 263,708,153.82 and 120,685,024.44 is: 166,485,042.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,162,068.20 : 263,708,153.82 = 120,685,024.44 : x
  2. Step 2: Convert to fraction form
    191,162,068.20/263,708,153.82 = 120,685,024.44/x
  3. Step 3: Cross multiply
    191,162,068.20x = 263,708,153.82 × 120,685,024.44
  4. Step 4: Simplify right side
    191,162,068.20x = 31,825,624,988,793,976
  5. Step 5: Solve for x
    x = 31,825,624,988,793,976/191,162,068.20
  6. Step 6: Final answer
    x = 166,485,042.19

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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.