Home / 203,988,290.96-281,549,277-129,634,353.32

Finding the Fourth Proportional to 203,988,290.96, 281,549,277 and 129,634,353.32

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Solution

The fourth proportional to 203,988,290.96, 281,549,277 and 129,634,353.32 is: 178,924,281.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,988,290.96 : 281,549,277 = 129,634,353.32 : x
  2. Step 2: Convert to fraction form
    203,988,290.96/281,549,277 = 129,634,353.32/x
  3. Step 3: Cross multiply
    203,988,290.96x = 281,549,277 × 129,634,353.32
  4. Step 4: Simplify right side
    203,988,290.96x = 36,498,458,450,200,800
  5. Step 5: Solve for x
    x = 36,498,458,450,200,800/203,988,290.96
  6. Step 6: Final answer
    x = 178,924,281.77

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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.