Home / 69,439,481.20-104,164,901.56-34,878,111.76

Finding the Fourth Proportional to 69,439,481.20, 104,164,901.56 and 34,878,111.76

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Solution

The fourth proportional to 69,439,481.20, 104,164,901.56 and 34,878,111.76 is: 52,320,020.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,439,481.20 : 104,164,901.56 = 34,878,111.76 : x
  2. Step 2: Convert to fraction form
    69,439,481.20/104,164,901.56 = 34,878,111.76/x
  3. Step 3: Cross multiply
    69,439,481.20x = 104,164,901.56 × 34,878,111.76
  4. Step 4: Simplify right side
    69,439,481.20x = 3,633,075,078,079,078
  5. Step 5: Solve for x
    x = 3,633,075,078,079,078/69,439,481.20
  6. Step 6: Final answer
    x = 52,320,020.47

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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.