Home / 163,555,134.85-245,334,839.25-54,380,305.93

Finding the Fourth Proportional to 163,555,134.85, 245,334,839.25 and 54,380,305.93

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Solution

The fourth proportional to 163,555,134.85, 245,334,839.25 and 54,380,305.93 is: 81,571,169.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,555,134.85 : 245,334,839.25 = 54,380,305.93 : x
  2. Step 2: Convert to fraction form
    163,555,134.85/245,334,839.25 = 54,380,305.93/x
  3. Step 3: Cross multiply
    163,555,134.85x = 245,334,839.25 × 54,380,305.93
  4. Step 4: Simplify right side
    163,555,134.85x = 13,341,383,613,702,372
  5. Step 5: Solve for x
    x = 13,341,383,613,702,372/163,555,134.85
  6. Step 6: Final answer
    x = 81,571,169.42

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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.