Home / 74,836,234.60-112,348,830.30-40,320,125.80

Finding the Fourth Proportional to 74,836,234.60, 112,348,830.30 and 40,320,125.80

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Solution

The fourth proportional to 74,836,234.60, 112,348,830.30 and 40,320,125.80 is: 60,531,091.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,836,234.60 : 112,348,830.30 = 40,320,125.80 : x
  2. Step 2: Convert to fraction form
    74,836,234.60/112,348,830.30 = 40,320,125.80/x
  3. Step 3: Cross multiply
    74,836,234.60x = 112,348,830.30 × 40,320,125.80
  4. Step 4: Simplify right side
    74,836,234.60x = 4,529,918,971,178,851
  5. Step 5: Solve for x
    x = 4,529,918,971,178,851/74,836,234.60
  6. Step 6: Final answer
    x = 60,531,091.59

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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.