Home / 245,622,762.99-338,919,403.37-145,137,217.50

Finding the Fourth Proportional to 245,622,762.99, 338,919,403.37 and 145,137,217.50

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Solution

The fourth proportional to 245,622,762.99, 338,919,403.37 and 145,137,217.50 is: 200,265,718.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,622,762.99 : 338,919,403.37 = 145,137,217.50 : x
  2. Step 2: Convert to fraction form
    245,622,762.99/338,919,403.37 = 145,137,217.50/x
  3. Step 3: Cross multiply
    245,622,762.99x = 338,919,403.37 × 145,137,217.50
  4. Step 4: Simplify right side
    245,622,762.99x = 49,189,819,161,156,240
  5. Step 5: Solve for x
    x = 49,189,819,161,156,240/245,622,762.99
  6. Step 6: Final answer
    x = 200,265,718.71

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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.