Home / 145,307,440.67-217,837,711.67-67,629,453.03

Finding the Fourth Proportional to 145,307,440.67, 217,837,711.67 and 67,629,453.03

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Solution

The fourth proportional to 145,307,440.67, 217,837,711.67 and 67,629,453.03 is: 101,386,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,307,440.67 : 217,837,711.67 = 67,629,453.03 : x
  2. Step 2: Convert to fraction form
    145,307,440.67/217,837,711.67 = 67,629,453.03/x
  3. Step 3: Cross multiply
    145,307,440.67x = 217,837,711.67 × 67,629,453.03
  4. Step 4: Simplify right side
    145,307,440.67x = 14,732,245,289,210,800
  5. Step 5: Solve for x
    x = 14,732,245,289,210,800/145,307,440.67
  6. Step 6: Final answer
    x = 101,386,723.36

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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.