Home / 67,222,586.80-100,833,880.20-66,584,857.60

Finding the Fourth Proportional to 67,222,586.80, 100,833,880.20 and 66,584,857.60

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Solution

The fourth proportional to 67,222,586.80, 100,833,880.20 and 66,584,857.60 is: 99,877,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,222,586.80 : 100,833,880.20 = 66,584,857.60 : x
  2. Step 2: Convert to fraction form
    67,222,586.80/100,833,880.20 = 66,584,857.60/x
  3. Step 3: Cross multiply
    67,222,586.80x = 100,833,880.20 × 66,584,857.60
  4. Step 4: Simplify right side
    67,222,586.80x = 6,714,009,554,372,460
  5. Step 5: Solve for x
    x = 6,714,009,554,372,460/67,222,586.80
  6. Step 6: Final answer
    x = 99,877,286.40

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1.5x scale

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.