Home / 191,263,096.80-286,794,974.16-68,394,048.48

Finding the Fourth Proportional to 191,263,096.80, 286,794,974.16 and 68,394,048.48

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Solution

The fourth proportional to 191,263,096.80, 286,794,974.16 and 68,394,048.48 is: 102,555,431.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,263,096.80 : 286,794,974.16 = 68,394,048.48 : x
  2. Step 2: Convert to fraction form
    191,263,096.80/286,794,974.16 = 68,394,048.48/x
  3. Step 3: Cross multiply
    191,263,096.80x = 286,794,974.16 × 68,394,048.48
  4. Step 4: Simplify right side
    191,263,096.80x = 19,615,069,366,519,392
  5. Step 5: Solve for x
    x = 19,615,069,366,519,392/191,263,096.80
  6. Step 6: Final answer
    x = 102,555,431.21

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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.