Home / 254,657,699.51-381,986,072.46-79,794,120.15

Finding the Fourth Proportional to 254,657,699.51, 381,986,072.46 and 79,794,120.15

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Solution

The fourth proportional to 254,657,699.51, 381,986,072.46 and 79,794,120.15 is: 119,691,030.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,657,699.51 : 381,986,072.46 = 79,794,120.15 : x
  2. Step 2: Convert to fraction form
    254,657,699.51/381,986,072.46 = 79,794,120.15/x
  3. Step 3: Cross multiply
    254,657,699.51x = 381,986,072.46 × 79,794,120.15
  4. Step 4: Simplify right side
    254,657,699.51x = 30,480,242,561,499,848
  5. Step 5: Solve for x
    x = 30,480,242,561,499,848/254,657,699.51
  6. Step 6: Final answer
    x = 119,691,030.83

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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.