Finding the Fourth Proportional to 155,505,622.18, 214,596,307.88 and 84,941,205.38
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Solution
The fourth proportional to 155,505,622.18, 214,596,307.88 and 84,941,205.38 is: 117,218,071.00
Step by Step Solution
- Step 1: Write the proportion equation
155,505,622.18 : 214,596,307.88 = 84,941,205.38 : x - Step 2: Convert to fraction form
155,505,622.18/214,596,307.88 = 84,941,205.38/x - Step 3: Cross multiply
155,505,622.18x = 214,596,307.88 × 84,941,205.38 - Step 4: Simplify right side
155,505,622.18x = 18,228,069,060,351,812 - Step 5: Solve for x
x = 18,228,069,060,351,812/155,505,622.18 - Step 6: Final answer
x = 117,218,071.00
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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.