Home / 311,857,410.31-430,294,423.77-184,634,916.71

Finding the Fourth Proportional to 311,857,410.31, 430,294,423.77 and 184,634,916.71

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Solution

The fourth proportional to 311,857,410.31, 430,294,423.77 and 184,634,916.71 is: 254,755,450.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,857,410.31 : 430,294,423.77 = 184,634,916.71 : x
  2. Step 2: Convert to fraction form
    311,857,410.31/430,294,423.77 = 184,634,916.71/x
  3. Step 3: Cross multiply
    311,857,410.31x = 430,294,423.77 × 184,634,916.71
  4. Step 4: Simplify right side
    311,857,410.31x = 79,447,375,091,399,920
  5. Step 5: Solve for x
    x = 79,447,375,091,399,920/311,857,410.31
  6. Step 6: Final answer
    x = 254,755,450.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.