Home / 263,320,959.96-394,638,061.50-146,731,426.20

Finding the Fourth Proportional to 263,320,959.96, 394,638,061.50 and 146,731,426.20

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Solution

The fourth proportional to 263,320,959.96, 394,638,061.50 and 146,731,426.20 is: 219,905,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,320,959.96 : 394,638,061.50 = 146,731,426.20 : x
  2. Step 2: Convert to fraction form
    263,320,959.96/394,638,061.50 = 146,731,426.20/x
  3. Step 3: Cross multiply
    263,320,959.96x = 394,638,061.50 × 146,731,426.20
  4. Step 4: Simplify right side
    263,320,959.96x = 57,905,805,596,698,304
  5. Step 5: Solve for x
    x = 57,905,805,596,698,304/263,320,959.96
  6. Step 6: Final answer
    x = 219,905,797.11

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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.