Home / 298,972,611.60-448,458,917.40-137,729,475.60

Finding the Fourth Proportional to 298,972,611.60, 448,458,917.40 and 137,729,475.60

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Solution

The fourth proportional to 298,972,611.60, 448,458,917.40 and 137,729,475.60 is: 206,594,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,972,611.60 : 448,458,917.40 = 137,729,475.60 : x
  2. Step 2: Convert to fraction form
    298,972,611.60/448,458,917.40 = 137,729,475.60/x
  3. Step 3: Cross multiply
    298,972,611.60x = 448,458,917.40 × 137,729,475.60
  4. Step 4: Simplify right side
    298,972,611.60x = 61,766,011,521,645,712
  5. Step 5: Solve for x
    x = 61,766,011,521,645,712/298,972,611.60
  6. Step 6: Final answer
    x = 206,594,213.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.