Home / 69,901,580.57-104,852,280.13-18,783,600.53

Finding the Fourth Proportional to 69,901,580.57, 104,852,280.13 and 18,783,600.53

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Solution

The fourth proportional to 69,901,580.57, 104,852,280.13 and 18,783,600.53 is: 28,175,376.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,901,580.57 : 104,852,280.13 = 18,783,600.53 : x
  2. Step 2: Convert to fraction form
    69,901,580.57/104,852,280.13 = 18,783,600.53/x
  3. Step 3: Cross multiply
    69,901,580.57x = 104,852,280.13 × 18,783,600.53
  4. Step 4: Simplify right side
    69,901,580.57x = 1,969,503,344,050,355.75
  5. Step 5: Solve for x
    x = 1,969,503,344,050,355.75/69,901,580.57
  6. Step 6: Final answer
    x = 28,175,376.41

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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.