Home / 228,318,938.12-342,477,441.65-82,718,362.28

Finding the Fourth Proportional to 228,318,938.12, 342,477,441.65 and 82,718,362.28

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Solution

The fourth proportional to 228,318,938.12, 342,477,441.65 and 82,718,362.28 is: 124,077,193.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,318,938.12 : 342,477,441.65 = 82,718,362.28 : x
  2. Step 2: Convert to fraction form
    228,318,938.12/342,477,441.65 = 82,718,362.28/x
  3. Step 3: Cross multiply
    228,318,938.12x = 342,477,441.65 × 82,718,362.28
  4. Step 4: Simplify right side
    228,318,938.12x = 28,329,173,089,419,872
  5. Step 5: Solve for x
    x = 28,329,173,089,419,872/228,318,938.12
  6. Step 6: Final answer
    x = 124,077,193.61

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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.