Home / 149,046,859.52-205,682,559.12-83,856,608

Finding the Fourth Proportional to 149,046,859.52, 205,682,559.12 and 83,856,608

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Solution

The fourth proportional to 149,046,859.52, 205,682,559.12 and 83,856,608 is: 115,720,933.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,046,859.52 : 205,682,559.12 = 83,856,608 : x
  2. Step 2: Convert to fraction form
    149,046,859.52/205,682,559.12 = 83,856,608/x
  3. Step 3: Cross multiply
    149,046,859.52x = 205,682,559.12 × 83,856,608
  4. Step 4: Simplify right side
    149,046,859.52x = 17,247,841,732,562,666
  5. Step 5: Solve for x
    x = 17,247,841,732,562,666/149,046,859.52
  6. Step 6: Final answer
    x = 115,720,933.59

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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.