Home / 260,862,185.54-359,984,973.12-143,385,004.38

Finding the Fourth Proportional to 260,862,185.54, 359,984,973.12 and 143,385,004.38

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Solution

The fourth proportional to 260,862,185.54, 359,984,973.12 and 143,385,004.38 is: 197,868,644.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,862,185.54 : 359,984,973.12 = 143,385,004.38 : x
  2. Step 2: Convert to fraction form
    260,862,185.54/359,984,973.12 = 143,385,004.38/x
  3. Step 3: Cross multiply
    260,862,185.54x = 359,984,973.12 × 143,385,004.38
  4. Step 4: Simplify right side
    260,862,185.54x = 51,616,446,947,545,384
  5. Step 5: Solve for x
    x = 51,616,446,947,545,384/260,862,185.54
  6. Step 6: Final answer
    x = 197,868,644.09

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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.