Home / 66,589,692.76-99,633,379.20-39,310,823.80

Finding the Fourth Proportional to 66,589,692.76, 99,633,379.20 and 39,310,823.80

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Solution

The fourth proportional to 66,589,692.76, 99,633,379.20 and 39,310,823.80 is: 58,817,964.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,589,692.76 : 99,633,379.20 = 39,310,823.80 : x
  2. Step 2: Convert to fraction form
    66,589,692.76/99,633,379.20 = 39,310,823.80/x
  3. Step 3: Cross multiply
    66,589,692.76x = 99,633,379.20 × 39,310,823.80
  4. Step 4: Simplify right side
    66,589,692.76x = 3,916,670,214,329,785
  5. Step 5: Solve for x
    x = 3,916,670,214,329,785/66,589,692.76
  6. Step 6: Final answer
    x = 58,817,964.94

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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.