Home / 203,988,294.22-281,549,281.49-129,634,356.57

Finding the Fourth Proportional to 203,988,294.22, 281,549,281.49 and 129,634,356.57

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Solution

The fourth proportional to 203,988,294.22, 281,549,281.49 and 129,634,356.57 is: 178,924,286.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,988,294.22 : 281,549,281.49 = 129,634,356.57 : x
  2. Step 2: Convert to fraction form
    203,988,294.22/281,549,281.49 = 129,634,356.57/x
  3. Step 3: Cross multiply
    203,988,294.22x = 281,549,281.49 × 129,634,356.57
  4. Step 4: Simplify right side
    203,988,294.22x = 36,498,459,948,701,960
  5. Step 5: Solve for x
    x = 36,498,459,948,701,960/203,988,294.22
  6. Step 6: Final answer
    x = 178,924,286.26

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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.