Home / 68,264,880.60-102,397,320.90-45,306,629.40

Finding the Fourth Proportional to 68,264,880.60, 102,397,320.90 and 45,306,629.40

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Solution

The fourth proportional to 68,264,880.60, 102,397,320.90 and 45,306,629.40 is: 67,959,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,264,880.60 : 102,397,320.90 = 45,306,629.40 : x
  2. Step 2: Convert to fraction form
    68,264,880.60/102,397,320.90 = 45,306,629.40/x
  3. Step 3: Cross multiply
    68,264,880.60x = 102,397,320.90 × 45,306,629.40
  4. Step 4: Simplify right side
    68,264,880.60x = 4,639,277,469,569,175
  5. Step 5: Solve for x
    x = 4,639,277,469,569,175/68,264,880.60
  6. Step 6: Final answer
    x = 67,959,944.10

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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.