Home / 254,255,042.80-381,383,849.74-79,363,416.25

Finding the Fourth Proportional to 254,255,042.80, 381,383,849.74 and 79,363,416.25

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Solution

The fourth proportional to 254,255,042.80, 381,383,849.74 and 79,363,416.25 is: 119,045,525.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,255,042.80 : 381,383,849.74 = 79,363,416.25 : x
  2. Step 2: Convert to fraction form
    254,255,042.80/381,383,849.74 = 79,363,416.25/x
  3. Step 3: Cross multiply
    254,255,042.80x = 381,383,849.74 × 79,363,416.25
  4. Step 4: Simplify right side
    254,255,042.80x = 30,267,925,217,943,076
  5. Step 5: Solve for x
    x = 30,267,925,217,943,076/254,255,042.80
  6. Step 6: Final answer
    x = 119,045,525.64

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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.