Home / 71,008,476.30-106,448,764.95-25,538,296.86

Finding the Fourth Proportional to 71,008,476.30, 106,448,764.95 and 25,538,296.86

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Solution

The fourth proportional to 71,008,476.30, 106,448,764.95 and 25,538,296.86 is: 38,284,445.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,008,476.30 : 106,448,764.95 = 25,538,296.86 : x
  2. Step 2: Convert to fraction form
    71,008,476.30/106,448,764.95 = 25,538,296.86/x
  3. Step 3: Cross multiply
    71,008,476.30x = 106,448,764.95 × 25,538,296.86
  4. Step 4: Simplify right side
    71,008,476.30x = 2,718,520,159,673,463
  5. Step 5: Solve for x
    x = 2,718,520,159,673,463/71,008,476.30
  6. Step 6: Final answer
    x = 38,284,445.76

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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.