Home / 80,198,890.14-110,655,497.52-45,391,580.58

Finding the Fourth Proportional to 80,198,890.14, 110,655,497.52 and 45,391,580.58

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Solution

The fourth proportional to 80,198,890.14, 110,655,497.52 and 45,391,580.58 is: 62,629,643.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,198,890.14 : 110,655,497.52 = 45,391,580.58 : x
  2. Step 2: Convert to fraction form
    80,198,890.14/110,655,497.52 = 45,391,580.58/x
  3. Step 3: Cross multiply
    80,198,890.14x = 110,655,497.52 × 45,391,580.58
  4. Step 4: Simplify right side
    80,198,890.14x = 5,022,827,932,299,070
  5. Step 5: Solve for x
    x = 5,022,827,932,299,070/80,198,890.14
  6. Step 6: Final answer
    x = 62,629,643.92

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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.