Home / 85,146,336.76-117,519,041.82-55,726,812.76

Finding the Fourth Proportional to 85,146,336.76, 117,519,041.82 and 55,726,812.76

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Solution

The fourth proportional to 85,146,336.76, 117,519,041.82 and 55,726,812.76 is: 76,914,191.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,146,336.76 : 117,519,041.82 = 55,726,812.76 : x
  2. Step 2: Convert to fraction form
    85,146,336.76/117,519,041.82 = 55,726,812.76/x
  3. Step 3: Cross multiply
    85,146,336.76x = 117,519,041.82 × 55,726,812.76
  4. Step 4: Simplify right side
    85,146,336.76x = 6,548,961,639,237,749
  5. Step 5: Solve for x
    x = 6,548,961,639,237,749/85,146,336.76
  6. Step 6: Final answer
    x = 76,914,191.36

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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.