Home / 258,912,067.60-388,368,101.40-235,024,195.60

Finding the Fourth Proportional to 258,912,067.60, 388,368,101.40 and 235,024,195.60

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Solution

The fourth proportional to 258,912,067.60, 388,368,101.40 and 235,024,195.60 is: 352,536,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,912,067.60 : 388,368,101.40 = 235,024,195.60 : x
  2. Step 2: Convert to fraction form
    258,912,067.60/388,368,101.40 = 235,024,195.60/x
  3. Step 3: Cross multiply
    258,912,067.60x = 388,368,101.40 × 235,024,195.60
  4. Step 4: Simplify right side
    258,912,067.60x = 91,275,900,628,234,224
  5. Step 5: Solve for x
    x = 91,275,900,628,234,224/258,912,067.60
  6. Step 6: Final answer
    x = 352,536,293.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.