Home / 72,297,463.34-99,766,907.04-40,930,634.54

Finding the Fourth Proportional to 72,297,463.34, 99,766,907.04 and 40,930,634.54

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Solution

The fourth proportional to 72,297,463.34, 99,766,907.04 and 40,930,634.54 is: 56,482,241.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,297,463.34 : 99,766,907.04 = 40,930,634.54 : x
  2. Step 2: Convert to fraction form
    72,297,463.34/99,766,907.04 = 40,930,634.54/x
  3. Step 3: Cross multiply
    72,297,463.34x = 99,766,907.04 × 40,930,634.54
  4. Step 4: Simplify right side
    72,297,463.34x = 4,083,522,811,240,393.50
  5. Step 5: Solve for x
    x = 4,083,522,811,240,393.50/72,297,463.34
  6. Step 6: Final answer
    x = 56,482,241.87

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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.