Home / 91,343,029.52-126,057,015.24-50,091,401.36

Finding the Fourth Proportional to 91,343,029.52, 126,057,015.24 and 50,091,401.36

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Solution

The fourth proportional to 91,343,029.52, 126,057,015.24 and 50,091,401.36 is: 69,128,126.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,343,029.52 : 126,057,015.24 = 50,091,401.36 : x
  2. Step 2: Convert to fraction form
    91,343,029.52/126,057,015.24 = 50,091,401.36/x
  3. Step 3: Cross multiply
    91,343,029.52x = 126,057,015.24 × 50,091,401.36
  4. Step 4: Simplify right side
    91,343,029.52x = 6,314,372,544,630,476
  5. Step 5: Solve for x
    x = 6,314,372,544,630,476/91,343,029.52
  6. Step 6: Final answer
    x = 69,128,126.99

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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.