Finding the Fourth Proportional to 163,138,092.42, 225,136,507.55 and 88,795,059.67
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Solution
The fourth proportional to 163,138,092.42, 225,136,507.55 and 88,795,059.67 is: 122,540,415.45
Step by Step Solution
- Step 1: Write the proportion equation
163,138,092.42 : 225,136,507.55 = 88,795,059.67 : x - Step 2: Convert to fraction form
163,138,092.42/225,136,507.55 = 88,795,059.67/x - Step 3: Cross multiply
163,138,092.42x = 225,136,507.55 × 88,795,059.67 - Step 4: Simplify right side
163,138,092.42x = 19,991,009,620,790,840 - Step 5: Solve for x
x = 19,991,009,620,790,840/163,138,092.42 - Step 6: Final answer
x = 122,540,415.45
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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.