Home / 161,755,500.30-242,633,250.45-154,197,228.30

Finding the Fourth Proportional to 161,755,500.30, 242,633,250.45 and 154,197,228.30

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Solution

The fourth proportional to 161,755,500.30, 242,633,250.45 and 154,197,228.30 is: 231,295,842.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,755,500.30 : 242,633,250.45 = 154,197,228.30 : x
  2. Step 2: Convert to fraction form
    161,755,500.30/242,633,250.45 = 154,197,228.30/x
  3. Step 3: Cross multiply
    161,755,500.30x = 242,633,250.45 × 154,197,228.30
  4. Step 4: Simplify right side
    161,755,500.30x = 37,413,374,712,809,728
  5. Step 5: Solve for x
    x = 37,413,374,712,809,728/161,755,500.30
  6. Step 6: Final answer
    x = 231,295,842.45

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Similar ratio
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1.5x scale

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.