Home / 177,155,998.20-265,733,997.30-99,353,035.80

Finding the Fourth Proportional to 177,155,998.20, 265,733,997.30 and 99,353,035.80

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Solution

The fourth proportional to 177,155,998.20, 265,733,997.30 and 99,353,035.80 is: 149,029,553.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,155,998.20 : 265,733,997.30 = 99,353,035.80 : x
  2. Step 2: Convert to fraction form
    177,155,998.20/265,733,997.30 = 99,353,035.80/x
  3. Step 3: Cross multiply
    177,155,998.20x = 265,733,997.30 × 99,353,035.80
  4. Step 4: Simplify right side
    177,155,998.20x = 26,401,479,347,024,004
  5. Step 5: Solve for x
    x = 26,401,479,347,024,004/177,155,998.20
  6. Step 6: Final answer
    x = 149,029,553.70

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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.