Home / 355,066,116.95-490,006,375.14-198,433,222.52

Finding the Fourth Proportional to 355,066,116.95, 490,006,375.14 and 198,433,222.52

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Solution

The fourth proportional to 355,066,116.95, 490,006,375.14 and 198,433,222.52 is: 273,846,304.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,066,116.95 : 490,006,375.14 = 198,433,222.52 : x
  2. Step 2: Convert to fraction form
    355,066,116.95/490,006,375.14 = 198,433,222.52/x
  3. Step 3: Cross multiply
    355,066,116.95x = 490,006,375.14 × 198,433,222.52
  4. Step 4: Simplify right side
    355,066,116.95x = 97,233,544,071,924,176
  5. Step 5: Solve for x
    x = 97,233,544,071,924,176/355,066,116.95
  6. Step 6: Final answer
    x = 273,846,304.76

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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.