Home / 235,374,398.75-324,819,645-129,539,995.58

Finding the Fourth Proportional to 235,374,398.75, 324,819,645 and 129,539,995.58

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Solution

The fourth proportional to 235,374,398.75, 324,819,645 and 129,539,995.58 is: 178,766,831.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,374,398.75 : 324,819,645 = 129,539,995.58 : x
  2. Step 2: Convert to fraction form
    235,374,398.75/324,819,645 = 129,539,995.58/x
  3. Step 3: Cross multiply
    235,374,398.75x = 324,819,645 × 129,539,995.58
  4. Step 4: Simplify right side
    235,374,398.75x = 42,077,135,377,597,168
  5. Step 5: Solve for x
    x = 42,077,135,377,597,168/235,374,398.75
  6. Step 6: Final answer
    x = 178,766,831.06

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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.