Home / 69,901,568.19-104,852,261.56-18,783,588.15

Finding the Fourth Proportional to 69,901,568.19, 104,852,261.56 and 18,783,588.15

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Solution

The fourth proportional to 69,901,568.19, 104,852,261.56 and 18,783,588.15 is: 28,175,357.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,901,568.19 : 104,852,261.56 = 18,783,588.15 : x
  2. Step 2: Convert to fraction form
    69,901,568.19/104,852,261.56 = 18,783,588.15/x
  3. Step 3: Cross multiply
    69,901,568.19x = 104,852,261.56 × 18,783,588.15
  4. Step 4: Simplify right side
    69,901,568.19x = 1,969,501,697,739,116.50
  5. Step 5: Solve for x
    x = 1,969,501,697,739,116.50/69,901,568.19
  6. Step 6: Final answer
    x = 28,175,357.85

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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.