Home / 72,297,455.34-99,766,896.03-40,930,626.54

Finding the Fourth Proportional to 72,297,455.34, 99,766,896.03 and 40,930,626.54

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Solution

The fourth proportional to 72,297,455.34, 99,766,896.03 and 40,930,626.54 is: 56,482,230.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,297,455.34 : 99,766,896.03 = 40,930,626.54 : x
  2. Step 2: Convert to fraction form
    72,297,455.34/99,766,896.03 = 40,930,626.54/x
  3. Step 3: Cross multiply
    72,297,455.34x = 99,766,896.03 × 40,930,626.54
  4. Step 4: Simplify right side
    72,297,455.34x = 4,083,521,562,458,938.50
  5. Step 5: Solve for x
    x = 4,083,521,562,458,938.50/72,297,455.34
  6. Step 6: Final answer
    x = 56,482,230.85

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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.