Home / 85,235,234.76-117,656,611.11-55,868,459.85

Finding the Fourth Proportional to 85,235,234.76, 117,656,611.11 and 55,868,459.85

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Solution

The fourth proportional to 85,235,234.76, 117,656,611.11 and 55,868,459.85 is: 77,119,440.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,235,234.76 : 117,656,611.11 = 55,868,459.85 : x
  2. Step 2: Convert to fraction form
    85,235,234.76/117,656,611.11 = 55,868,459.85/x
  3. Step 3: Cross multiply
    85,235,234.76x = 117,656,611.11 × 55,868,459.85
  4. Step 4: Simplify right side
    85,235,234.76x = 6,573,293,653,886,099
  5. Step 5: Solve for x
    x = 6,573,293,653,886,099/85,235,234.76
  6. Step 6: Final answer
    x = 77,119,440.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.