Home / 254,657,748.64-381,986,146.08-79,794,169.12

Finding the Fourth Proportional to 254,657,748.64, 381,986,146.08 and 79,794,169.12

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Solution

The fourth proportional to 254,657,748.64, 381,986,146.08 and 79,794,169.12 is: 119,691,104.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,657,748.64 : 381,986,146.08 = 79,794,169.12 : x
  2. Step 2: Convert to fraction form
    254,657,748.64/381,986,146.08 = 79,794,169.12/x
  3. Step 3: Cross multiply
    254,657,748.64x = 381,986,146.08 × 79,794,169.12
  4. Step 4: Simplify right side
    254,657,748.64x = 30,480,267,141,804,544
  5. Step 5: Solve for x
    x = 30,480,267,141,804,544/254,657,748.64
  6. Step 6: Final answer
    x = 119,691,104.25

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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.