Home / 43,703,020.40-65,502,042.60-18,130,866.80

Finding the Fourth Proportional to 43,703,020.40, 65,502,042.60 and 18,130,866.80

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Solution

The fourth proportional to 43,703,020.40, 65,502,042.60 and 18,130,866.80 is: 27,174,524.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,703,020.40 : 65,502,042.60 = 18,130,866.80 : x
  2. Step 2: Convert to fraction form
    43,703,020.40/65,502,042.60 = 18,130,866.80/x
  3. Step 3: Cross multiply
    43,703,020.40x = 65,502,042.60 × 18,130,866.80
  4. Step 4: Simplify right side
    43,703,020.40x = 1,187,608,809,508,525.75
  5. Step 5: Solve for x
    x = 1,187,608,809,508,525.75/43,703,020.40
  6. Step 6: Final answer
    x = 27,174,524.75

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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.