Finding the Fourth Proportional to 124,268,572.08, 171,491,766.84 and 68,515,993.44
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Solution
The fourth proportional to 124,268,572.08, 171,491,766.84 and 68,515,993.44 is: 94,552,698.04
Step by Step Solution
- Step 1: Write the proportion equation
124,268,572.08 : 171,491,766.84 = 68,515,993.44 : x - Step 2: Convert to fraction form
124,268,572.08/171,491,766.84 = 68,515,993.44/x - Step 3: Cross multiply
124,268,572.08x = 171,491,766.84 × 68,515,993.44 - Step 4: Simplify right side
124,268,572.08x = 11,749,928,771,823,450 - Step 5: Solve for x
x = 11,749,928,771,823,450/124,268,572.08 - Step 6: Final answer
x = 94,552,698.04
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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.