Home / 69,463,433.52-104,210,196.84-20,937,227.76

Finding the Fourth Proportional to 69,463,433.52, 104,210,196.84 and 20,937,227.76

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Solution

The fourth proportional to 69,463,433.52, 104,210,196.84 and 20,937,227.76 is: 31,410,376.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,463,433.52 : 104,210,196.84 = 20,937,227.76 : x
  2. Step 2: Convert to fraction form
    69,463,433.52/104,210,196.84 = 20,937,227.76/x
  3. Step 3: Cross multiply
    69,463,433.52x = 104,210,196.84 × 20,937,227.76
  4. Step 4: Simplify right side
    69,463,433.52x = 2,181,872,626,153,512.50
  5. Step 5: Solve for x
    x = 2,181,872,626,153,512.50/69,463,433.52
  6. Step 6: Final answer
    x = 31,410,376.88

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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.