Home / 112,076,729.40-168,146,586.90-54,570,876.60

Finding the Fourth Proportional to 112,076,729.40, 168,146,586.90 and 54,570,876.60

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Solution

The fourth proportional to 112,076,729.40, 168,146,586.90 and 54,570,876.60 is: 81,871,648.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,076,729.40 : 168,146,586.90 = 54,570,876.60 : x
  2. Step 2: Convert to fraction form
    112,076,729.40/168,146,586.90 = 54,570,876.60/x
  3. Step 3: Cross multiply
    112,076,729.40x = 168,146,586.90 × 54,570,876.60
  4. Step 4: Simplify right side
    112,076,729.40x = 9,175,906,644,431,078
  5. Step 5: Solve for x
    x = 9,175,906,644,431,078/112,076,729.40
  6. Step 6: Final answer
    x = 81,871,648.95

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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.