Home / 85,307,451.12-127,964,818.26-33,503,280.84

Finding the Fourth Proportional to 85,307,451.12, 127,964,818.26 and 33,503,280.84

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Solution

The fourth proportional to 85,307,451.12, 127,964,818.26 and 33,503,280.84 is: 50,256,351.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,307,451.12 : 127,964,818.26 = 33,503,280.84 : x
  2. Step 2: Convert to fraction form
    85,307,451.12/127,964,818.26 = 33,503,280.84/x
  3. Step 3: Cross multiply
    85,307,451.12x = 127,964,818.26 × 33,503,280.84
  4. Step 4: Simplify right side
    85,307,451.12x = 4,287,241,243,804,340.50
  5. Step 5: Solve for x
    x = 4,287,241,243,804,340.50/85,307,451.12
  6. Step 6: Final answer
    x = 50,256,351.44

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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.