Home / 109,481,870.16-151,068,729.24-66,494,771.64

Finding the Fourth Proportional to 109,481,870.16, 151,068,729.24 and 66,494,771.64

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Solution

The fourth proportional to 109,481,870.16, 151,068,729.24 and 66,494,771.64 is: 91,752,914.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,481,870.16 : 151,068,729.24 = 66,494,771.64 : x
  2. Step 2: Convert to fraction form
    109,481,870.16/151,068,729.24 = 66,494,771.64/x
  3. Step 3: Cross multiply
    109,481,870.16x = 151,068,729.24 × 66,494,771.64
  4. Step 4: Simplify right side
    109,481,870.16x = 10,045,280,652,758,792
  5. Step 5: Solve for x
    x = 10,045,280,652,758,792/109,481,870.16
  6. Step 6: Final answer
    x = 91,752,914.32

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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.