Home / 69,783,106.46-104,690,271.46-21,264,757.50

Finding the Fourth Proportional to 69,783,106.46, 104,690,271.46 and 21,264,757.50

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Solution

The fourth proportional to 69,783,106.46, 104,690,271.46 and 21,264,757.50 is: 31,901,893.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,783,106.46 : 104,690,271.46 = 21,264,757.50 : x
  2. Step 2: Convert to fraction form
    69,783,106.46/104,690,271.46 = 21,264,757.50/x
  3. Step 3: Cross multiply
    69,783,106.46x = 104,690,271.46 × 21,264,757.50
  4. Step 4: Simplify right side
    69,783,106.46x = 2,226,213,235,206,070.75
  5. Step 5: Solve for x
    x = 2,226,213,235,206,070.75/69,783,106.46
  6. Step 6: Final answer
    x = 31,901,893.57

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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.