Home / 69,774,969.78-104,654,212.11-18,660,950.10

Finding the Fourth Proportional to 69,774,969.78, 104,654,212.11 and 18,660,950.10

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Solution

The fourth proportional to 69,774,969.78, 104,654,212.11 and 18,660,950.10 is: 27,989,220.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,774,969.78 : 104,654,212.11 = 18,660,950.10 : x
  2. Step 2: Convert to fraction form
    69,774,969.78/104,654,212.11 = 18,660,950.10/x
  3. Step 3: Cross multiply
    69,774,969.78x = 104,654,212.11 × 18,660,950.10
  4. Step 4: Simplify right side
    69,774,969.78x = 1,952,947,029,939,525.75
  5. Step 5: Solve for x
    x = 1,952,947,029,939,525.75/69,774,969.78
  6. Step 6: Final answer
    x = 27,989,220.72

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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.