Home / 69,984,176.40-104,976,264.60-61,481,120.40

Finding the Fourth Proportional to 69,984,176.40, 104,976,264.60 and 61,481,120.40

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Solution

The fourth proportional to 69,984,176.40, 104,976,264.60 and 61,481,120.40 is: 92,221,680.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,176.40 : 104,976,264.60 = 61,481,120.40 : x
  2. Step 2: Convert to fraction form
    69,984,176.40/104,976,264.60 = 61,481,120.40/x
  3. Step 3: Cross multiply
    69,984,176.40x = 104,976,264.60 × 61,481,120.40
  4. Step 4: Simplify right side
    69,984,176.40x = 6,454,058,363,014,857
  5. Step 5: Solve for x
    x = 6,454,058,363,014,857/69,984,176.40
  6. Step 6: Final answer
    x = 92,221,680.60

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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.