Home / 91,437,075.12-126,183,494.01-49,621,131.33

Finding the Fourth Proportional to 91,437,075.12, 126,183,494.01 and 49,621,131.33

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Solution

The fourth proportional to 91,437,075.12, 126,183,494.01 and 49,621,131.33 is: 68,477,340.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,437,075.12 : 126,183,494.01 = 49,621,131.33 : x
  2. Step 2: Convert to fraction form
    91,437,075.12/126,183,494.01 = 49,621,131.33/x
  3. Step 3: Cross multiply
    91,437,075.12x = 126,183,494.01 × 49,621,131.33
  4. Step 4: Simplify right side
    91,437,075.12x = 6,261,367,727,948,478
  5. Step 5: Solve for x
    x = 6,261,367,727,948,478/91,437,075.12
  6. Step 6: Final answer
    x = 68,477,340.51

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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.