Home / 74,347,276.80-111,520,915.20-66,056,797.20

Finding the Fourth Proportional to 74,347,276.80, 111,520,915.20 and 66,056,797.20

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Solution

The fourth proportional to 74,347,276.80, 111,520,915.20 and 66,056,797.20 is: 99,085,195.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,347,276.80 : 111,520,915.20 = 66,056,797.20 : x
  2. Step 2: Convert to fraction form
    74,347,276.80/111,520,915.20 = 66,056,797.20/x
  3. Step 3: Cross multiply
    74,347,276.80x = 111,520,915.20 × 66,056,797.20
  4. Step 4: Simplify right side
    74,347,276.80x = 7,366,714,478,924,798
  5. Step 5: Solve for x
    x = 7,366,714,478,924,798/74,347,276.80
  6. Step 6: Final answer
    x = 99,085,195.80

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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.