Finding the Fourth Proportional to 308,160,841.30, 462,241,261.95 and 103,620,937.30
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Solution
The fourth proportional to 308,160,841.30, 462,241,261.95 and 103,620,937.30 is: 155,431,405.95
Step by Step Solution
- Step 1: Write the proportion equation
308,160,841.30 : 462,241,261.95 = 103,620,937.30 : x - Step 2: Convert to fraction form
308,160,841.30/462,241,261.95 = 103,620,937.30/x - Step 3: Cross multiply
308,160,841.30x = 462,241,261.95 × 103,620,937.30 - Step 4: Simplify right side
308,160,841.30x = 47,897,872,821,993,824 - Step 5: Solve for x
x = 47,897,872,821,993,824/308,160,841.30 - Step 6: Final answer
x = 155,431,405.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.