Home / 68,959,296-103,439,462.40-30,610,500.48

Finding the Fourth Proportional to 68,959,296, 103,439,462.40 and 30,610,500.48

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Solution

The fourth proportional to 68,959,296, 103,439,462.40 and 30,610,500.48 is: 45,915,980.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,959,296 : 103,439,462.40 = 30,610,500.48 : x
  2. Step 2: Convert to fraction form
    68,959,296/103,439,462.40 = 30,610,500.48/x
  3. Step 3: Cross multiply
    68,959,296x = 103,439,462.40 × 30,610,500.48
  4. Step 4: Simplify right side
    68,959,296x = 3,166,333,713,446,142
  5. Step 5: Solve for x
    x = 3,166,333,713,446,142/68,959,296
  6. Step 6: Final answer
    x = 45,915,980.83

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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.