Home / 85,340,705.76-117,770,170.32-46,182,483.72

Finding the Fourth Proportional to 85,340,705.76, 117,770,170.32 and 46,182,483.72

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Solution

The fourth proportional to 85,340,705.76, 117,770,170.32 and 46,182,483.72 is: 63,731,825.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,340,705.76 : 117,770,170.32 = 46,182,483.72 : x
  2. Step 2: Convert to fraction form
    85,340,705.76/117,770,170.32 = 46,182,483.72/x
  3. Step 3: Cross multiply
    85,340,705.76x = 117,770,170.32 × 46,182,483.72
  4. Step 4: Simplify right side
    85,340,705.76x = 5,438,918,973,505,027
  5. Step 5: Solve for x
    x = 5,438,918,973,505,027/85,340,705.76
  6. Step 6: Final answer
    x = 63,731,825.57

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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.