Home / 298,959,478.10-448,439,217.15-137,716,342.10

Finding the Fourth Proportional to 298,959,478.10, 448,439,217.15 and 137,716,342.10

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Solution

The fourth proportional to 298,959,478.10, 448,439,217.15 and 137,716,342.10 is: 206,574,513.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,959,478.10 : 448,439,217.15 = 137,716,342.10 : x
  2. Step 2: Convert to fraction form
    298,959,478.10/448,439,217.15 = 137,716,342.10/x
  3. Step 3: Cross multiply
    298,959,478.10x = 448,439,217.15 × 137,716,342.10
  4. Step 4: Simplify right side
    298,959,478.10x = 61,757,408,640,085,584
  5. Step 5: Solve for x
    x = 61,757,408,640,085,584/298,959,478.10
  6. Step 6: Final answer
    x = 206,574,513.15

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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.