Home / 99,271,850.40-149,029,081.20-56,171,037.60

Finding the Fourth Proportional to 99,271,850.40, 149,029,081.20 and 56,171,037.60

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Solution

The fourth proportional to 99,271,850.40, 149,029,081.20 and 56,171,037.60 is: 84,325,194.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,271,850.40 : 149,029,081.20 = 56,171,037.60 : x
  2. Step 2: Convert to fraction form
    99,271,850.40/149,029,081.20 = 56,171,037.60/x
  3. Step 3: Cross multiply
    99,271,850.40x = 149,029,081.20 × 56,171,037.60
  4. Step 4: Simplify right side
    99,271,850.40x = 8,371,118,123,578,653
  5. Step 5: Solve for x
    x = 8,371,118,123,578,653/99,271,850.40
  6. Step 6: Final answer
    x = 84,325,194.80

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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.