Home / 99,892,278,137.44-149,778,579,367.79-31,793,925,491.60

Finding the Fourth Proportional to 99,892,278,137.44, 149,778,579,367.79 and 31,793,925,491.60

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Solution

The fourth proportional to 99,892,278,137.44, 149,778,579,367.79 and 31,793,925,491.60 is: 47,671,842,923.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,892,278,137.44 : 149,778,579,367.79 = 31,793,925,491.60 : x
  2. Step 2: Convert to fraction form
    99,892,278,137.44/149,778,579,367.79 = 31,793,925,491.60/x
  3. Step 3: Cross multiply
    99,892,278,137.44x = 149,778,579,367.79 × 31,793,925,491.60
  4. Step 4: Simplify right side
    99,892,278,137.44x = 4,762,048,992,657,211,916,288
  5. Step 5: Solve for x
    x = 4,762,048,992,657,211,916,288/99,892,278,137.44
  6. Step 6: Final answer
    x = 47,671,842,923.69

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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.