Home / 141,969,834.80-212,870,771.40-73,945,386.80

Finding the Fourth Proportional to 141,969,834.80, 212,870,771.40 and 73,945,386.80

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Solution

The fourth proportional to 141,969,834.80, 212,870,771.40 and 73,945,386.80 is: 110,874,338.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,969,834.80 : 212,870,771.40 = 73,945,386.80 : x
  2. Step 2: Convert to fraction form
    141,969,834.80/212,870,771.40 = 73,945,386.80/x
  3. Step 3: Cross multiply
    141,969,834.80x = 212,870,771.40 × 73,945,386.80
  4. Step 4: Simplify right side
    141,969,834.80x = 15,740,811,529,587,378
  5. Step 5: Solve for x
    x = 15,740,811,529,587,378/141,969,834.80
  6. Step 6: Final answer
    x = 110,874,338.56

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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.