Home / 268,733,721.60-403,100,582.40-115,353,676.80

Finding the Fourth Proportional to 268,733,721.60, 403,100,582.40 and 115,353,676.80

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Solution

The fourth proportional to 268,733,721.60, 403,100,582.40 and 115,353,676.80 is: 173,030,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,733,721.60 : 403,100,582.40 = 115,353,676.80 : x
  2. Step 2: Convert to fraction form
    268,733,721.60/403,100,582.40 = 115,353,676.80/x
  3. Step 3: Cross multiply
    268,733,721.60x = 403,100,582.40 × 115,353,676.80
  4. Step 4: Simplify right side
    268,733,721.60x = 46,499,134,300,061,368
  5. Step 5: Solve for x
    x = 46,499,134,300,061,368/268,733,721.60
  6. Step 6: Final answer
    x = 173,030,515.20

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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.