Home / 38,759,729.20-58,139,593.80-31,201,457.20

Finding the Fourth Proportional to 38,759,729.20, 58,139,593.80 and 31,201,457.20

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Solution

The fourth proportional to 38,759,729.20, 58,139,593.80 and 31,201,457.20 is: 46,802,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,759,729.20 : 58,139,593.80 = 31,201,457.20 : x
  2. Step 2: Convert to fraction form
    38,759,729.20/58,139,593.80 = 31,201,457.20/x
  3. Step 3: Cross multiply
    38,759,729.20x = 58,139,593.80 × 31,201,457.20
  4. Step 4: Simplify right side
    38,759,729.20x = 1,814,040,047,576,085.25
  5. Step 5: Solve for x
    x = 1,814,040,047,576,085.25/38,759,729.20
  6. Step 6: Final answer
    x = 46,802,185.80

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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.