Home / 189,216,091.80-283,824,137.70-165,785,448.60

Finding the Fourth Proportional to 189,216,091.80, 283,824,137.70 and 165,785,448.60

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Solution

The fourth proportional to 189,216,091.80, 283,824,137.70 and 165,785,448.60 is: 248,678,172.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,216,091.80 : 283,824,137.70 = 165,785,448.60 : x
  2. Step 2: Convert to fraction form
    189,216,091.80/283,824,137.70 = 165,785,448.60/x
  3. Step 3: Cross multiply
    189,216,091.80x = 283,824,137.70 × 165,785,448.60
  4. Step 4: Simplify right side
    189,216,091.80x = 47,053,911,992,102,672
  5. Step 5: Solve for x
    x = 47,053,911,992,102,672/189,216,091.80
  6. Step 6: Final answer
    x = 248,678,172.90

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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.