Home / 262,988,687.20-394,483,030.80-68,899,727.20

Finding the Fourth Proportional to 262,988,687.20, 394,483,030.80 and 68,899,727.20

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Solution

The fourth proportional to 262,988,687.20, 394,483,030.80 and 68,899,727.20 is: 103,349,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,988,687.20 : 394,483,030.80 = 68,899,727.20 : x
  2. Step 2: Convert to fraction form
    262,988,687.20/394,483,030.80 = 68,899,727.20/x
  3. Step 3: Cross multiply
    262,988,687.20x = 394,483,030.80 × 68,899,727.20
  4. Step 4: Simplify right side
    262,988,687.20x = 27,179,773,207,149,200
  5. Step 5: Solve for x
    x = 27,179,773,207,149,200/262,988,687.20
  6. Step 6: Final answer
    x = 103,349,590.80

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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.