Home / 108,009,343.81-149,052,889.87-58,449,719.04

Finding the Fourth Proportional to 108,009,343.81, 149,052,889.87 and 58,449,719.04

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Solution

The fourth proportional to 108,009,343.81, 149,052,889.87 and 58,449,719.04 is: 80,660,609.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,009,343.81 : 149,052,889.87 = 58,449,719.04 : x
  2. Step 2: Convert to fraction form
    108,009,343.81/149,052,889.87 = 58,449,719.04/x
  3. Step 3: Cross multiply
    108,009,343.81x = 149,052,889.87 × 58,449,719.04
  4. Step 4: Simplify right side
    108,009,343.81x = 8,712,099,534,296,490
  5. Step 5: Solve for x
    x = 8,712,099,534,296,490/108,009,343.81
  6. Step 6: Final answer
    x = 80,660,609.79

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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.