Home / 268,733,743.60-403,100,615.40-115,353,698.80

Finding the Fourth Proportional to 268,733,743.60, 403,100,615.40 and 115,353,698.80

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Solution

The fourth proportional to 268,733,743.60, 403,100,615.40 and 115,353,698.80 is: 173,030,548.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,733,743.60 : 403,100,615.40 = 115,353,698.80 : x
  2. Step 2: Convert to fraction form
    268,733,743.60/403,100,615.40 = 115,353,698.80/x
  3. Step 3: Cross multiply
    268,733,743.60x = 403,100,615.40 × 115,353,698.80
  4. Step 4: Simplify right side
    268,733,743.60x = 46,499,146,974,946,240
  5. Step 5: Solve for x
    x = 46,499,146,974,946,240/268,733,743.60
  6. Step 6: Final answer
    x = 173,030,548.20

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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.