Home / 91,889,628.12-137,833,942.77-53,002,872.72

Finding the Fourth Proportional to 91,889,628.12, 137,833,942.77 and 53,002,872.72

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Solution

The fourth proportional to 91,889,628.12, 137,833,942.77 and 53,002,872.72 is: 79,504,021.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,889,628.12 : 137,833,942.77 = 53,002,872.72 : x
  2. Step 2: Convert to fraction form
    91,889,628.12/137,833,942.77 = 53,002,872.72/x
  3. Step 3: Cross multiply
    91,889,628.12x = 137,833,942.77 × 53,002,872.72
  4. Step 4: Simplify right side
    91,889,628.12x = 7,305,594,925,134,075
  5. Step 5: Solve for x
    x = 7,305,594,925,134,075/91,889,628.12
  6. Step 6: Final answer
    x = 79,504,021.02

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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.