Home / 69,907,963.85-104,858,141.47-21,385,817.67

Finding the Fourth Proportional to 69,907,963.85, 104,858,141.47 and 21,385,817.67

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Solution

The fourth proportional to 69,907,963.85, 104,858,141.47 and 21,385,817.67 is: 32,077,562.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,907,963.85 : 104,858,141.47 = 21,385,817.67 : x
  2. Step 2: Convert to fraction form
    69,907,963.85/104,858,141.47 = 21,385,817.67/x
  3. Step 3: Cross multiply
    69,907,963.85x = 104,858,141.47 × 21,385,817.67
  4. Step 4: Simplify right side
    69,907,963.85x = 2,242,477,094,585,557
  5. Step 5: Solve for x
    x = 2,242,477,094,585,557/69,907,963.85
  6. Step 6: Final answer
    x = 32,077,562.72

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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.