Home / 146,033,912.79-201,518,815.77-79,941,625.20

Finding the Fourth Proportional to 146,033,912.79, 201,518,815.77 and 79,941,625.20

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Solution

The fourth proportional to 146,033,912.79, 201,518,815.77 and 79,941,625.20 is: 110,315,072.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,033,912.79 : 201,518,815.77 = 79,941,625.20 : x
  2. Step 2: Convert to fraction form
    146,033,912.79/201,518,815.77 = 79,941,625.20/x
  3. Step 3: Cross multiply
    146,033,912.79x = 201,518,815.77 × 79,941,625.20
  4. Step 4: Simplify right side
    146,033,912.79x = 16,109,741,641,033,190
  5. Step 5: Solve for x
    x = 16,109,741,641,033,190/146,033,912.79
  6. Step 6: Final answer
    x = 110,315,072.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.