Home / 69,760,672.20-104,641,008.30-54,627,539.40

Finding the Fourth Proportional to 69,760,672.20, 104,641,008.30 and 54,627,539.40

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Solution

The fourth proportional to 69,760,672.20, 104,641,008.30 and 54,627,539.40 is: 81,941,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,760,672.20 : 104,641,008.30 = 54,627,539.40 : x
  2. Step 2: Convert to fraction form
    69,760,672.20/104,641,008.30 = 54,627,539.40/x
  3. Step 3: Cross multiply
    69,760,672.20x = 104,641,008.30 × 54,627,539.40
  4. Step 4: Simplify right side
    69,760,672.20x = 5,716,280,803,763,977
  5. Step 5: Solve for x
    x = 5,716,280,803,763,977/69,760,672.20
  6. Step 6: Final answer
    x = 81,941,309.10

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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.