Home / 319,102,629.40-479,031,857.70-181,038,194.20

Finding the Fourth Proportional to 319,102,629.40, 479,031,857.70 and 181,038,194.20

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Solution

The fourth proportional to 319,102,629.40, 479,031,857.70 and 181,038,194.20 is: 271,771,695.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,102,629.40 : 479,031,857.70 = 181,038,194.20 : x
  2. Step 2: Convert to fraction form
    319,102,629.40/479,031,857.70 = 181,038,194.20/x
  3. Step 3: Cross multiply
    319,102,629.40x = 479,031,857.70 × 181,038,194.20
  4. Step 4: Simplify right side
    319,102,629.40x = 86,723,062,482,279,360
  5. Step 5: Solve for x
    x = 86,723,062,482,279,360/319,102,629.40
  6. Step 6: Final answer
    x = 271,771,695.04

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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.