Home / 260,149,122.36-359,012,380.14-142,679,129.40

Finding the Fourth Proportional to 260,149,122.36, 359,012,380.14 and 142,679,129.40

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Solution

The fourth proportional to 260,149,122.36, 359,012,380.14 and 142,679,129.40 is: 196,900,813.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,149,122.36 : 359,012,380.14 = 142,679,129.40 : x
  2. Step 2: Convert to fraction form
    260,149,122.36/359,012,380.14 = 142,679,129.40/x
  3. Step 3: Cross multiply
    260,149,122.36x = 359,012,380.14 × 142,679,129.40
  4. Step 4: Simplify right side
    260,149,122.36x = 51,223,573,842,197,048
  5. Step 5: Solve for x
    x = 51,223,573,842,197,048/260,149,122.36
  6. Step 6: Final answer
    x = 196,900,813.57

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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.