Home / 74,950,222.10-112,377,168.12-31,261,121.78

Finding the Fourth Proportional to 74,950,222.10, 112,377,168.12 and 31,261,121.78

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Solution

The fourth proportional to 74,950,222.10, 112,377,168.12 and 31,261,121.78 is: 46,871,593.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,950,222.10 : 112,377,168.12 = 31,261,121.78 : x
  2. Step 2: Convert to fraction form
    74,950,222.10/112,377,168.12 = 31,261,121.78/x
  3. Step 3: Cross multiply
    74,950,222.10x = 112,377,168.12 × 31,261,121.78
  4. Step 4: Simplify right side
    74,950,222.10x = 3,513,036,337,890,854
  5. Step 5: Solve for x
    x = 3,513,036,337,890,854/74,950,222.10
  6. Step 6: Final answer
    x = 46,871,593.43

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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.