Home / 84,788,465.28-117,033,455.89-49,515,785.01

Finding the Fourth Proportional to 84,788,465.28, 117,033,455.89 and 49,515,785.01

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Solution

The fourth proportional to 84,788,465.28, 117,033,455.89 and 49,515,785.01 is: 68,346,601.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,788,465.28 : 117,033,455.89 = 49,515,785.01 : x
  2. Step 2: Convert to fraction form
    84,788,465.28/117,033,455.89 = 49,515,785.01/x
  3. Step 3: Cross multiply
    84,788,465.28x = 117,033,455.89 × 49,515,785.01
  4. Step 4: Simplify right side
    84,788,465.28x = 5,795,003,440,826,558
  5. Step 5: Solve for x
    x = 5,795,003,440,826,558/84,788,465.28
  6. Step 6: Final answer
    x = 68,346,601.41

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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.