Home / 148,108,991.22-222,254,293.01-66,297,044.60

Finding the Fourth Proportional to 148,108,991.22, 222,254,293.01 and 66,297,044.60

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Solution

The fourth proportional to 148,108,991.22, 222,254,293.01 and 66,297,044.60 is: 99,486,213.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,108,991.22 : 222,254,293.01 = 66,297,044.60 : x
  2. Step 2: Convert to fraction form
    148,108,991.22/222,254,293.01 = 66,297,044.60/x
  3. Step 3: Cross multiply
    148,108,991.22x = 222,254,293.01 × 66,297,044.60
  4. Step 4: Simplify right side
    148,108,991.22x = 14,734,802,776,225,438
  5. Step 5: Solve for x
    x = 14,734,802,776,225,438/148,108,991.22
  6. Step 6: Final answer
    x = 99,486,213.87

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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.