Home / 318,400,376.16-477,690,143.76-113,957,516.64

Finding the Fourth Proportional to 318,400,376.16, 477,690,143.76 and 113,957,516.64

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Solution

The fourth proportional to 318,400,376.16, 477,690,143.76 and 113,957,516.64 is: 170,968,336.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,400,376.16 : 477,690,143.76 = 113,957,516.64 : x
  2. Step 2: Convert to fraction form
    318,400,376.16/477,690,143.76 = 113,957,516.64/x
  3. Step 3: Cross multiply
    318,400,376.16x = 477,690,143.76 × 113,957,516.64
  4. Step 4: Simplify right side
    318,400,376.16x = 54,436,382,506,294,192
  5. Step 5: Solve for x
    x = 54,436,382,506,294,192/318,400,376.16
  6. Step 6: Final answer
    x = 170,968,336.04

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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.