Home / 69,422,783.78-95,804,219.42-39,657,372.06

Finding the Fourth Proportional to 69,422,783.78, 95,804,219.42 and 39,657,372.06

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Solution

The fourth proportional to 69,422,783.78, 95,804,219.42 and 39,657,372.06 is: 54,727,617.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,422,783.78 : 95,804,219.42 = 39,657,372.06 : x
  2. Step 2: Convert to fraction form
    69,422,783.78/95,804,219.42 = 39,657,372.06/x
  3. Step 3: Cross multiply
    69,422,783.78x = 95,804,219.42 × 39,657,372.06
  4. Step 4: Simplify right side
    69,422,783.78x = 3,799,343,574,456,817.50
  5. Step 5: Solve for x
    x = 3,799,343,574,456,817.50/69,422,783.78
  6. Step 6: Final answer
    x = 54,727,617.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.