Finding the Fourth Proportional to 155,532,990.70, 233,299,486.05 and 97,838,181.10
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Solution
The fourth proportional to 155,532,990.70, 233,299,486.05 and 97,838,181.10 is: 146,757,271.65
Step by Step Solution
- Step 1: Write the proportion equation
155,532,990.70 : 233,299,486.05 = 97,838,181.10 : x - Step 2: Convert to fraction form
155,532,990.70/233,299,486.05 = 97,838,181.10/x - Step 3: Cross multiply
155,532,990.70x = 233,299,486.05 × 97,838,181.10 - Step 4: Simplify right side
155,532,990.70x = 22,825,597,366,696,824 - Step 5: Solve for x
x = 22,825,597,366,696,824/155,532,990.70 - Step 6: Final answer
x = 146,757,271.65
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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.