Home / 88,579,431.40-132,869,147.10-80,076,375.40

Finding the Fourth Proportional to 88,579,431.40, 132,869,147.10 and 80,076,375.40

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Solution

The fourth proportional to 88,579,431.40, 132,869,147.10 and 80,076,375.40 is: 120,114,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,579,431.40 : 132,869,147.10 = 80,076,375.40 : x
  2. Step 2: Convert to fraction form
    88,579,431.40/132,869,147.10 = 80,076,375.40/x
  3. Step 3: Cross multiply
    88,579,431.40x = 132,869,147.10 × 80,076,375.40
  4. Step 4: Simplify right side
    88,579,431.40x = 10,639,679,702,257,422
  5. Step 5: Solve for x
    x = 10,639,679,702,257,422/88,579,431.40
  6. Step 6: Final answer
    x = 120,114,563.10

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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.