Home / 220,647,809,402.16-331,018,197,188.04-71,576,136,406.32

Finding the Fourth Proportional to 220,647,809,402.16, 331,018,197,188.04 and 71,576,136,406.32

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Solution

The fourth proportional to 220,647,809,402.16, 331,018,197,188.04 and 71,576,136,406.32 is: 107,379,283,298.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,647,809,402.16 : 331,018,197,188.04 = 71,576,136,406.32 : x
  2. Step 2: Convert to fraction form
    220,647,809,402.16/331,018,197,188.04 = 71,576,136,406.32/x
  3. Step 3: Cross multiply
    220,647,809,402.16x = 331,018,197,188.04 × 71,576,136,406.32
  4. Step 4: Simplify right side
    220,647,809,402.16x = 23,693,003,634,905,282,772,992
  5. Step 5: Solve for x
    x = 23,693,003,634,905,282,772,992/220,647,809,402.16
  6. Step 6: Final answer
    x = 107,379,283,298.13

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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.