Finding the Fourth Proportional to 124,212,835.44, 171,414,415.62 and 72,032,852.52
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Solution
The fourth proportional to 124,212,835.44, 171,414,415.62 and 72,032,852.52 is: 99,405,743.99
Step by Step Solution
- Step 1: Write the proportion equation
124,212,835.44 : 171,414,415.62 = 72,032,852.52 : x - Step 2: Convert to fraction form
124,212,835.44/171,414,415.62 = 72,032,852.52/x - Step 3: Cross multiply
124,212,835.44x = 171,414,415.62 × 72,032,852.52 - Step 4: Simplify right side
124,212,835.44x = 12,347,469,320,157,444 - Step 5: Solve for x
x = 12,347,469,320,157,444/124,212,835.44 - Step 6: Final answer
x = 99,405,743.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.