Home / 61,890,826.80-85,404,338.10-35,787,037.80

Finding the Fourth Proportional to 61,890,826.80, 85,404,338.10 and 35,787,037.80

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Solution

The fourth proportional to 61,890,826.80, 85,404,338.10 and 35,787,037.80 is: 49,383,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,890,826.80 : 85,404,338.10 = 35,787,037.80 : x
  2. Step 2: Convert to fraction form
    61,890,826.80/85,404,338.10 = 35,787,037.80/x
  3. Step 3: Cross multiply
    61,890,826.80x = 85,404,338.10 × 35,787,037.80
  4. Step 4: Simplify right side
    61,890,826.80x = 3,056,368,275,868,679.50
  5. Step 5: Solve for x
    x = 3,056,368,275,868,679.50/61,890,826.80
  6. Step 6: Final answer
    x = 49,383,219.35

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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.