Home / 69,392,300.47-104,093,612.02-20,866,269.67

Finding the Fourth Proportional to 69,392,300.47, 104,093,612.02 and 20,866,269.67

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Solution

The fourth proportional to 69,392,300.47, 104,093,612.02 and 20,866,269.67 is: 31,300,956.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,392,300.47 : 104,093,612.02 = 20,866,269.67 : x
  2. Step 2: Convert to fraction form
    69,392,300.47/104,093,612.02 = 20,866,269.67/x
  3. Step 3: Cross multiply
    69,392,300.47x = 104,093,612.02 × 20,866,269.67
  4. Step 4: Simplify right side
    69,392,300.47x = 2,172,045,379,099,522.25
  5. Step 5: Solve for x
    x = 2,172,045,379,099,522.25/69,392,300.47
  6. Step 6: Final answer
    x = 31,300,956.51

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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.