Home / 75,219,609.47-103,817,947.67-48,790,716.39

Finding the Fourth Proportional to 75,219,609.47, 103,817,947.67 and 48,790,716.39

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Solution

The fourth proportional to 75,219,609.47, 103,817,947.67 and 48,790,716.39 is: 67,340,844.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,219,609.47 : 103,817,947.67 = 48,790,716.39 : x
  2. Step 2: Convert to fraction form
    75,219,609.47/103,817,947.67 = 48,790,716.39/x
  3. Step 3: Cross multiply
    75,219,609.47x = 103,817,947.67 × 48,790,716.39
  4. Step 4: Simplify right side
    75,219,609.47x = 5,065,352,040,714,878
  5. Step 5: Solve for x
    x = 5,065,352,040,714,878/75,219,609.47
  6. Step 6: Final answer
    x = 67,340,844.72

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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.