Home / 45,397,903.51-68,096,406.53-20,798,852.59

Finding the Fourth Proportional to 45,397,903.51, 68,096,406.53 and 20,798,852.59

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Solution

The fourth proportional to 45,397,903.51, 68,096,406.53 and 20,798,852.59 is: 31,198,073.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,397,903.51 : 68,096,406.53 = 20,798,852.59 : x
  2. Step 2: Convert to fraction form
    45,397,903.51/68,096,406.53 = 20,798,852.59/x
  3. Step 3: Cross multiply
    45,397,903.51x = 68,096,406.53 × 20,798,852.59
  4. Step 4: Simplify right side
    45,397,903.51x = 1,416,327,121,222,189.25
  5. Step 5: Solve for x
    x = 1,416,327,121,222,189.25/45,397,903.51
  6. Step 6: Final answer
    x = 31,198,073.30

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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.