Home / 136,540,014.40-204,768,031.20-39,504,865.60

Finding the Fourth Proportional to 136,540,014.40, 204,768,031.20 and 39,504,865.60

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Solution

The fourth proportional to 136,540,014.40, 204,768,031.20 and 39,504,865.60 is: 59,245,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,540,014.40 : 204,768,031.20 = 39,504,865.60 : x
  2. Step 2: Convert to fraction form
    136,540,014.40/204,768,031.20 = 39,504,865.60/x
  3. Step 3: Cross multiply
    136,540,014.40x = 204,768,031.20 × 39,504,865.60
  4. Step 4: Simplify right side
    136,540,014.40x = 8,089,333,551,732,607
  5. Step 5: Solve for x
    x = 8,089,333,551,732,607/136,540,014.40
  6. Step 6: Final answer
    x = 59,245,149.40

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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.