Home / 101,997,100.91-140,751,891.20-55,586,355.95

Finding the Fourth Proportional to 101,997,100.91, 140,751,891.20 and 55,586,355.95

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Solution

The fourth proportional to 101,997,100.91, 140,751,891.20 and 55,586,355.95 is: 76,706,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,997,100.91 : 140,751,891.20 = 55,586,355.95 : x
  2. Step 2: Convert to fraction form
    101,997,100.91/140,751,891.20 = 55,586,355.95/x
  3. Step 3: Cross multiply
    101,997,100.91x = 140,751,891.20 × 55,586,355.95
  4. Step 4: Simplify right side
    101,997,100.91x = 7,823,884,724,600,941
  5. Step 5: Solve for x
    x = 7,823,884,724,600,941/101,997,100.91
  6. Step 6: Final answer
    x = 76,706,932.40

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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.