Home / 84,048,629.38-115,988,880-47,379,200.38

Finding the Fourth Proportional to 84,048,629.38, 115,988,880 and 47,379,200.38

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Solution

The fourth proportional to 84,048,629.38, 115,988,880 and 47,379,200.38 is: 65,384,295.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,048,629.38 : 115,988,880 = 47,379,200.38 : x
  2. Step 2: Convert to fraction form
    84,048,629.38/115,988,880 = 47,379,200.38/x
  3. Step 3: Cross multiply
    84,048,629.38x = 115,988,880 × 47,379,200.38
  4. Step 4: Simplify right side
    84,048,629.38x = 5,495,460,387,371,775
  5. Step 5: Solve for x
    x = 5,495,460,387,371,775/84,048,629.38
  6. Step 6: Final answer
    x = 65,384,295.11

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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.