Home / 281,901,650.95-422,868,635.78-74,634,675.77

Finding the Fourth Proportional to 281,901,650.95, 422,868,635.78 and 74,634,675.77

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Solution

The fourth proportional to 281,901,650.95, 422,868,635.78 and 74,634,675.77 is: 111,956,291.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,901,650.95 : 422,868,635.78 = 74,634,675.77 : x
  2. Step 2: Convert to fraction form
    281,901,650.95/422,868,635.78 = 74,634,675.77/x
  3. Step 3: Cross multiply
    281,901,650.95x = 422,868,635.78 × 74,634,675.77
  4. Step 4: Simplify right side
    281,901,650.95x = 31,560,663,522,255,004
  5. Step 5: Solve for x
    x = 31,560,663,522,255,004/281,901,650.95
  6. Step 6: Final answer
    x = 111,956,291.91

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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.