Home / 84,048,630.39-115,988,881.38-47,379,201.39

Finding the Fourth Proportional to 84,048,630.39, 115,988,881.38 and 47,379,201.39

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Solution

The fourth proportional to 84,048,630.39, 115,988,881.38 and 47,379,201.39 is: 65,384,296.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,048,630.39 : 115,988,881.38 = 47,379,201.39 : x
  2. Step 2: Convert to fraction form
    84,048,630.39/115,988,881.38 = 47,379,201.39/x
  3. Step 3: Cross multiply
    84,048,630.39x = 115,988,881.38 × 47,379,201.39
  4. Step 4: Simplify right side
    84,048,630.39x = 5,495,460,569,903,841
  5. Step 5: Solve for x
    x = 5,495,460,569,903,841/84,048,630.39
  6. Step 6: Final answer
    x = 65,384,296.50

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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.