Finding the Fourth Proportional to 266,328,021.70, 399,492,032.55 and 74,851,797.70
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Solution
The fourth proportional to 266,328,021.70, 399,492,032.55 and 74,851,797.70 is: 112,277,696.55
Step by Step Solution
- Step 1: Write the proportion equation
266,328,021.70 : 399,492,032.55 = 74,851,797.70 : x - Step 2: Convert to fraction form
266,328,021.70/399,492,032.55 = 74,851,797.70/x - Step 3: Cross multiply
266,328,021.70x = 399,492,032.55 × 74,851,797.70 - Step 4: Simplify right side
266,328,021.70x = 29,902,696,803,194,416 - Step 5: Solve for x
x = 29,902,696,803,194,416/266,328,021.70 - Step 6: Final answer
x = 112,277,696.55
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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.