Home / 69,984,121.40-104,976,182.10-48,065,132.60

Finding the Fourth Proportional to 69,984,121.40, 104,976,182.10 and 48,065,132.60

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Solution

The fourth proportional to 69,984,121.40, 104,976,182.10 and 48,065,132.60 is: 72,097,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,121.40 : 104,976,182.10 = 48,065,132.60 : x
  2. Step 2: Convert to fraction form
    69,984,121.40/104,976,182.10 = 48,065,132.60/x
  3. Step 3: Cross multiply
    69,984,121.40x = 104,976,182.10 × 48,065,132.60
  4. Step 4: Simplify right side
    69,984,121.40x = 5,045,694,112,478,246
  5. Step 5: Solve for x
    x = 5,045,694,112,478,246/69,984,121.40
  6. Step 6: Final answer
    x = 72,097,698.90

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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.