Home / 318,208,734.12-477,384,916.11-96,899,871.38

Finding the Fourth Proportional to 318,208,734.12, 477,384,916.11 and 96,899,871.38

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Solution

The fourth proportional to 318,208,734.12, 477,384,916.11 and 96,899,871.38 is: 145,371,675.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,208,734.12 : 477,384,916.11 = 96,899,871.38 : x
  2. Step 2: Convert to fraction form
    318,208,734.12/477,384,916.11 = 96,899,871.38/x
  3. Step 3: Cross multiply
    318,208,734.12x = 477,384,916.11 × 96,899,871.38
  4. Step 4: Simplify right side
    318,208,734.12x = 46,258,536,967,061,760
  5. Step 5: Solve for x
    x = 46,258,536,967,061,760/318,208,734.12
  6. Step 6: Final answer
    x = 145,371,675.90

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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.