Home / 285,810,947.54-394,425,907.36-160,372,422.08

Finding the Fourth Proportional to 285,810,947.54, 394,425,907.36 and 160,372,422.08

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Solution

The fourth proportional to 285,810,947.54, 394,425,907.36 and 160,372,422.08 is: 221,317,757.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,810,947.54 : 394,425,907.36 = 160,372,422.08 : x
  2. Step 2: Convert to fraction form
    285,810,947.54/394,425,907.36 = 160,372,422.08/x
  3. Step 3: Cross multiply
    285,810,947.54x = 394,425,907.36 × 160,372,422.08
  4. Step 4: Simplify right side
    285,810,947.54x = 63,255,038,094,424,904
  5. Step 5: Solve for x
    x = 63,255,038,094,424,904/285,810,947.54
  6. Step 6: Final answer
    x = 221,317,757.91

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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.