Home / 31,501,172.88-47,178,338.67-30,410,144.10

Finding the Fourth Proportional to 31,501,172.88, 47,178,338.67 and 30,410,144.10

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Solution

The fourth proportional to 31,501,172.88, 47,178,338.67 and 30,410,144.10 is: 45,544,338.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,501,172.88 : 47,178,338.67 = 30,410,144.10 : x
  2. Step 2: Convert to fraction form
    31,501,172.88/47,178,338.67 = 30,410,144.10/x
  3. Step 3: Cross multiply
    31,501,172.88x = 47,178,338.67 × 30,410,144.10
  4. Step 4: Simplify right side
    31,501,172.88x = 1,434,700,077,353,302.50
  5. Step 5: Solve for x
    x = 1,434,700,077,353,302.50/31,501,172.88
  6. Step 6: Final answer
    x = 45,544,338.39

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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.