Home / 91,449,011.45-126,199,760.65-49,633,077.31

Finding the Fourth Proportional to 91,449,011.45, 126,199,760.65 and 49,633,077.31

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Solution

The fourth proportional to 91,449,011.45, 126,199,760.65 and 49,633,077.31 is: 68,493,714.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,449,011.45 : 126,199,760.65 = 49,633,077.31 : x
  2. Step 2: Convert to fraction form
    91,449,011.45/126,199,760.65 = 49,633,077.31/x
  3. Step 3: Cross multiply
    91,449,011.45x = 126,199,760.65 × 49,633,077.31
  4. Step 4: Simplify right side
    91,449,011.45x = 6,263,682,476,878,613
  5. Step 5: Solve for x
    x = 6,263,682,476,878,613/91,449,011.45
  6. Step 6: Final answer
    x = 68,493,714.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.