Home / 120,563,616.03-180,617,235.98-71,231,941.77

Finding the Fourth Proportional to 120,563,616.03, 180,617,235.98 and 71,231,941.77

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Solution

The fourth proportional to 120,563,616.03, 180,617,235.98 and 71,231,941.77 is: 106,713,093.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,563,616.03 : 180,617,235.98 = 71,231,941.77 : x
  2. Step 2: Convert to fraction form
    120,563,616.03/180,617,235.98 = 71,231,941.77/x
  3. Step 3: Cross multiply
    120,563,616.03x = 180,617,235.98 × 71,231,941.77
  4. Step 4: Simplify right side
    120,563,616.03x = 12,865,716,435,629,548
  5. Step 5: Solve for x
    x = 12,865,716,435,629,548/120,563,616.03
  6. Step 6: Final answer
    x = 106,713,093.55

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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.