Home / 40,211,669.80-60,289,968.28-20,477,597.05

Finding the Fourth Proportional to 40,211,669.80, 60,289,968.28 and 20,477,597.05

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Solution

The fourth proportional to 40,211,669.80, 60,289,968.28 and 20,477,597.05 is: 30,702,372.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,211,669.80 : 60,289,968.28 = 20,477,597.05 : x
  2. Step 2: Convert to fraction form
    40,211,669.80/60,289,968.28 = 20,477,597.05/x
  3. Step 3: Cross multiply
    40,211,669.80x = 60,289,968.28 × 20,477,597.05
  4. Step 4: Simplify right side
    40,211,669.80x = 1,234,593,676,572,457
  5. Step 5: Solve for x
    x = 1,234,593,676,572,457/40,211,669.80
  6. Step 6: Final answer
    x = 30,702,372.79

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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.