Home / 49,877,216.39-68,878,093.01-47,159,928.43

Finding the Fourth Proportional to 49,877,216.39, 68,878,093.01 and 47,159,928.43

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Solution

The fourth proportional to 49,877,216.39, 68,878,093.01 and 47,159,928.43 is: 65,125,645.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,877,216.39 : 68,878,093.01 = 47,159,928.43 : x
  2. Step 2: Convert to fraction form
    49,877,216.39/68,878,093.01 = 47,159,928.43/x
  3. Step 3: Cross multiply
    49,877,216.39x = 68,878,093.01 × 47,159,928.43
  4. Step 4: Simplify right side
    49,877,216.39x = 3,248,285,936,338,488.50
  5. Step 5: Solve for x
    x = 3,248,285,936,338,488.50/49,877,216.39
  6. Step 6: Final answer
    x = 65,125,645.96

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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.