Home / 196,771,989.60-295,336,443.60-99,795,160.80

Finding the Fourth Proportional to 196,771,989.60, 295,336,443.60 and 99,795,160.80

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Solution

The fourth proportional to 196,771,989.60, 295,336,443.60 and 99,795,160.80 is: 149,783,248.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,771,989.60 : 295,336,443.60 = 99,795,160.80 : x
  2. Step 2: Convert to fraction form
    196,771,989.60/295,336,443.60 = 99,795,160.80/x
  3. Step 3: Cross multiply
    196,771,989.60x = 295,336,443.60 × 99,795,160.80
  4. Step 4: Simplify right side
    196,771,989.60x = 29,473,147,879,162,132
  5. Step 5: Solve for x
    x = 29,473,147,879,162,132/196,771,989.60
  6. Step 6: Final answer
    x = 149,783,248.82

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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.