Home / 203,988,299.94-281,549,289.42-129,634,362.30

Finding the Fourth Proportional to 203,988,299.94, 281,549,289.42 and 129,634,362.30

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Solution

The fourth proportional to 203,988,299.94, 281,549,289.42 and 129,634,362.30 is: 178,924,294.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,988,299.94 : 281,549,289.42 = 129,634,362.30 : x
  2. Step 2: Convert to fraction form
    203,988,299.94/281,549,289.42 = 129,634,362.30/x
  3. Step 3: Cross multiply
    203,988,299.94x = 281,549,289.42 × 129,634,362.30
  4. Step 4: Simplify right side
    203,988,299.94x = 36,498,462,589,979,840
  5. Step 5: Solve for x
    x = 36,498,462,589,979,840/203,988,299.94
  6. Step 6: Final answer
    x = 178,924,294.19

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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.