Home / 85,378,920.83-117,823,176-46,220,604.12

Finding the Fourth Proportional to 85,378,920.83, 117,823,176 and 46,220,604.12

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Solution

The fourth proportional to 85,378,920.83, 117,823,176 and 46,220,604.12 is: 63,784,577.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,378,920.83 : 117,823,176 = 46,220,604.12 : x
  2. Step 2: Convert to fraction form
    85,378,920.83/117,823,176 = 46,220,604.12/x
  3. Step 3: Cross multiply
    85,378,920.83x = 117,823,176 × 46,220,604.12
  4. Step 4: Simplify right side
    85,378,920.83x = 5,445,858,374,057,085
  5. Step 5: Solve for x
    x = 5,445,858,374,057,085/85,378,920.83
  6. Step 6: Final answer
    x = 63,784,577.28

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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.