Home / 91,739,872.36-126,601,048.74-50,486,758.12

Finding the Fourth Proportional to 91,739,872.36, 126,601,048.74 and 50,486,758.12

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Solution

The fourth proportional to 91,739,872.36, 126,601,048.74 and 50,486,758.12 is: 69,671,739.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,739,872.36 : 126,601,048.74 = 50,486,758.12 : x
  2. Step 2: Convert to fraction form
    91,739,872.36/126,601,048.74 = 50,486,758.12/x
  3. Step 3: Cross multiply
    91,739,872.36x = 126,601,048.74 × 50,486,758.12
  4. Step 4: Simplify right side
    91,739,872.36x = 6,391,676,525,474,710
  5. Step 5: Solve for x
    x = 6,391,676,525,474,710/91,739,872.36
  6. Step 6: Final answer
    x = 69,671,739.90

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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.