Home / 80,796,729.28-111,500,194.54-45,991,657.66

Finding the Fourth Proportional to 80,796,729.28, 111,500,194.54 and 45,991,657.66

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Solution

The fourth proportional to 80,796,729.28, 111,500,194.54 and 45,991,657.66 is: 63,468,890.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,796,729.28 : 111,500,194.54 = 45,991,657.66 : x
  2. Step 2: Convert to fraction form
    80,796,729.28/111,500,194.54 = 45,991,657.66/x
  3. Step 3: Cross multiply
    80,796,729.28x = 111,500,194.54 × 45,991,657.66
  4. Step 4: Simplify right side
    80,796,729.28x = 5,128,078,776,307,081
  5. Step 5: Solve for x
    x = 5,128,078,776,307,081/80,796,729.28
  6. Step 6: Final answer
    x = 63,468,890.66

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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.