Home / 120,990,766.08-181,485,216-30,113,744.64

Finding the Fourth Proportional to 120,990,766.08, 181,485,216 and 30,113,744.64

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Solution

The fourth proportional to 120,990,766.08, 181,485,216 and 30,113,744.64 is: 45,170,384.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,990,766.08 : 181,485,216 = 30,113,744.64 : x
  2. Step 2: Convert to fraction form
    120,990,766.08/181,485,216 = 30,113,744.64/x
  3. Step 3: Cross multiply
    120,990,766.08x = 181,485,216 × 30,113,744.64
  4. Step 4: Simplify right side
    120,990,766.08x = 5,465,199,450,559,242
  5. Step 5: Solve for x
    x = 5,465,199,450,559,242/120,990,766.08
  6. Step 6: Final answer
    x = 45,170,384.71

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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.