Home / 82,586,768.25-113,972,736.60-47,311,390.98

Finding the Fourth Proportional to 82,586,768.25, 113,972,736.60 and 47,311,390.98

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Solution

The fourth proportional to 82,586,768.25, 113,972,736.60 and 47,311,390.98 is: 65,291,436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,586,768.25 : 113,972,736.60 = 47,311,390.98 : x
  2. Step 2: Convert to fraction form
    82,586,768.25/113,972,736.60 = 47,311,390.98/x
  3. Step 3: Cross multiply
    82,586,768.25x = 113,972,736.60 × 47,311,390.98
  4. Step 4: Simplify right side
    82,586,768.25x = 5,392,208,702,343,155
  5. Step 5: Solve for x
    x = 5,392,208,702,343,155/82,586,768.25
  6. Step 6: Final answer
    x = 65,291,436.11

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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.