Home / 248,110,818.70-372,166,140.45-66,353,272.78

Finding the Fourth Proportional to 248,110,818.70, 372,166,140.45 and 66,353,272.78

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Solution

The fourth proportional to 248,110,818.70, 372,166,140.45 and 66,353,272.78 is: 99,529,885.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,110,818.70 : 372,166,140.45 = 66,353,272.78 : x
  2. Step 2: Convert to fraction form
    248,110,818.70/372,166,140.45 = 66,353,272.78/x
  3. Step 3: Cross multiply
    248,110,818.70x = 372,166,140.45 × 66,353,272.78
  4. Step 4: Simplify right side
    248,110,818.70x = 24,694,441,436,758,640
  5. Step 5: Solve for x
    x = 24,694,441,436,758,640/248,110,818.70
  6. Step 6: Final answer
    x = 99,529,885.74

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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.