Home / 75,460,917.60-112,930,102.80-45,190,504.80

Finding the Fourth Proportional to 75,460,917.60, 112,930,102.80 and 45,190,504.80

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Solution

The fourth proportional to 75,460,917.60, 112,930,102.80 and 45,190,504.80 is: 67,629,290.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,460,917.60 : 112,930,102.80 = 45,190,504.80 : x
  2. Step 2: Convert to fraction form
    75,460,917.60/112,930,102.80 = 45,190,504.80/x
  3. Step 3: Cross multiply
    75,460,917.60x = 112,930,102.80 × 45,190,504.80
  4. Step 4: Simplify right side
    75,460,917.60x = 5,103,368,352,647,893
  5. Step 5: Solve for x
    x = 5,103,368,352,647,893/75,460,917.60
  6. Step 6: Final answer
    x = 67,629,290.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.