Home / 152,792,452.88-210,856,272.36-83,179,834.64

Finding the Fourth Proportional to 152,792,452.88, 210,856,272.36 and 83,179,834.64

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Solution

The fourth proportional to 152,792,452.88, 210,856,272.36 and 83,179,834.64 is: 114,789,634.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,792,452.88 : 210,856,272.36 = 83,179,834.64 : x
  2. Step 2: Convert to fraction form
    152,792,452.88/210,856,272.36 = 83,179,834.64/x
  3. Step 3: Cross multiply
    152,792,452.88x = 210,856,272.36 × 83,179,834.64
  4. Step 4: Simplify right side
    152,792,452.88x = 17,538,989,867,711,604
  5. Step 5: Solve for x
    x = 17,538,989,867,711,604/152,792,452.88
  6. Step 6: Final answer
    x = 114,789,634.81

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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.