Finding the Fourth Proportional to 211,778,602.02, 317,668,151.97 and 66,212,926.38
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Solution
The fourth proportional to 211,778,602.02, 317,668,151.97 and 66,212,926.38 is: 99,319,467.40
Step by Step Solution
- Step 1: Write the proportion equation
211,778,602.02 : 317,668,151.97 = 66,212,926.38 : x - Step 2: Convert to fraction form
211,778,602.02/317,668,151.97 = 66,212,926.38/x - Step 3: Cross multiply
211,778,602.02x = 317,668,151.97 × 66,212,926.38 - Step 4: Simplify right side
211,778,602.02x = 21,033,737,959,660,264 - Step 5: Solve for x
x = 21,033,737,959,660,264/211,778,602.02 - Step 6: Final answer
x = 99,319,467.40
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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.