Home / 320,412,315.88-442,177,690.40-181,203,895

Finding the Fourth Proportional to 320,412,315.88, 442,177,690.40 and 181,203,895

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Solution

The fourth proportional to 320,412,315.88, 442,177,690.40 and 181,203,895 is: 250,066,292.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,412,315.88 : 442,177,690.40 = 181,203,895 : x
  2. Step 2: Convert to fraction form
    320,412,315.88/442,177,690.40 = 181,203,895/x
  3. Step 3: Cross multiply
    320,412,315.88x = 442,177,690.40 × 181,203,895
  4. Step 4: Simplify right side
    320,412,315.88x = 80,124,319,782,584,096
  5. Step 5: Solve for x
    x = 80,124,319,782,584,096/320,412,315.88
  6. Step 6: Final answer
    x = 250,066,292.12

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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.