Home / 69,783,113.46-104,690,281.96-21,264,764.50

Finding the Fourth Proportional to 69,783,113.46, 104,690,281.96 and 21,264,764.50

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Solution

The fourth proportional to 69,783,113.46, 104,690,281.96 and 21,264,764.50 is: 31,901,904.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,783,113.46 : 104,690,281.96 = 21,264,764.50 : x
  2. Step 2: Convert to fraction form
    69,783,113.46/104,690,281.96 = 21,264,764.50/x
  3. Step 3: Cross multiply
    69,783,113.46x = 104,690,281.96 × 21,264,764.50
  4. Step 4: Simplify right side
    69,783,113.46x = 2,226,214,191,317,998.25
  5. Step 5: Solve for x
    x = 2,226,214,191,317,998.25/69,783,113.46
  6. Step 6: Final answer
    x = 31,901,904.07

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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.