Finding the Fourth Proportional to 163,138,860.16, 225,137,567.82 and 88,795,830.28
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Solution
The fourth proportional to 163,138,860.16, 225,137,567.82 and 88,795,830.28 is: 122,541,479.34
Step by Step Solution
- Step 1: Write the proportion equation
163,138,860.16 : 225,137,567.82 = 88,795,830.28 : x - Step 2: Convert to fraction form
163,138,860.16/225,137,567.82 = 88,795,830.28/x - Step 3: Cross multiply
163,138,860.16x = 225,137,567.82 × 88,795,830.28 - Step 4: Simplify right side
163,138,860.16x = 19,991,277,261,796,708 - Step 5: Solve for x
x = 19,991,277,261,796,708/163,138,860.16 - Step 6: Final answer
x = 122,541,479.34
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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.