Home / 51,090,743.40-76,636,115.10-45,548,010.60

Finding the Fourth Proportional to 51,090,743.40, 76,636,115.10 and 45,548,010.60

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Solution

The fourth proportional to 51,090,743.40, 76,636,115.10 and 45,548,010.60 is: 68,322,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,090,743.40 : 76,636,115.10 = 45,548,010.60 : x
  2. Step 2: Convert to fraction form
    51,090,743.40/76,636,115.10 = 45,548,010.60/x
  3. Step 3: Cross multiply
    51,090,743.40x = 76,636,115.10 × 45,548,010.60
  4. Step 4: Simplify right side
    51,090,743.40x = 3,490,622,582,917,620
  5. Step 5: Solve for x
    x = 3,490,622,582,917,620/51,090,743.40
  6. Step 6: Final answer
    x = 68,322,015.90

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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.