Home / 161,702,661.60-242,553,992.40-149,231,512.80

Finding the Fourth Proportional to 161,702,661.60, 242,553,992.40 and 149,231,512.80

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Solution

The fourth proportional to 161,702,661.60, 242,553,992.40 and 149,231,512.80 is: 223,847,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,702,661.60 : 242,553,992.40 = 149,231,512.80 : x
  2. Step 2: Convert to fraction form
    161,702,661.60/242,553,992.40 = 149,231,512.80/x
  3. Step 3: Cross multiply
    161,702,661.60x = 242,553,992.40 × 149,231,512.80
  4. Step 4: Simplify right side
    161,702,661.60x = 36,196,699,221,531,704
  5. Step 5: Solve for x
    x = 36,196,699,221,531,704/161,702,661.60
  6. Step 6: Final answer
    x = 223,847,269.20

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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.