Home / 109,599,107.91-151,211,182.20-74,731,263.90

Finding the Fourth Proportional to 109,599,107.91, 151,211,182.20 and 74,731,263.90

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Solution

The fourth proportional to 109,599,107.91, 151,211,182.20 and 74,731,263.90 is: 103,104,879.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,599,107.91 : 151,211,182.20 = 74,731,263.90 : x
  2. Step 2: Convert to fraction form
    109,599,107.91/151,211,182.20 = 74,731,263.90/x
  3. Step 3: Cross multiply
    109,599,107.91x = 151,211,182.20 × 74,731,263.90
  4. Step 4: Simplify right side
    109,599,107.91x = 11,300,202,761,619,182
  5. Step 5: Solve for x
    x = 11,300,202,761,619,182/109,599,107.91
  6. Step 6: Final answer
    x = 103,104,879.02

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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.