Home / 43,702,990.40-65,501,997.60-18,130,836.80

Finding the Fourth Proportional to 43,702,990.40, 65,501,997.60 and 18,130,836.80

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Solution

The fourth proportional to 43,702,990.40, 65,501,997.60 and 18,130,836.80 is: 27,174,479.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,702,990.40 : 65,501,997.60 = 18,130,836.80 : x
  2. Step 2: Convert to fraction form
    43,702,990.40/65,501,997.60 = 18,130,836.80/x
  3. Step 3: Cross multiply
    43,702,990.40x = 65,501,997.60 × 18,130,836.80
  4. Step 4: Simplify right side
    43,702,990.40x = 1,187,606,028,559,591.75
  5. Step 5: Solve for x
    x = 1,187,606,028,559,591.75/43,702,990.40
  6. Step 6: Final answer
    x = 27,174,479.77

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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.