Home / 55,431,428.88-76,457,416.68-36,141,972.24

Finding the Fourth Proportional to 55,431,428.88, 76,457,416.68 and 36,141,972.24

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Solution

The fourth proportional to 55,431,428.88, 76,457,416.68 and 36,141,972.24 is: 49,851,174.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,431,428.88 : 76,457,416.68 = 36,141,972.24 : x
  2. Step 2: Convert to fraction form
    55,431,428.88/76,457,416.68 = 36,141,972.24/x
  3. Step 3: Cross multiply
    55,431,428.88x = 76,457,416.68 × 36,141,972.24
  4. Step 4: Simplify right side
    55,431,428.88x = 2,763,321,831,190,673.50
  5. Step 5: Solve for x
    x = 2,763,321,831,190,673.50/55,431,428.88
  6. Step 6: Final answer
    x = 49,851,174.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.