Finding the Fourth Proportional to 211,028,274.91, 291,235,175.18 and 132,778,902.07
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Solution
The fourth proportional to 211,028,274.91, 291,235,175.18 and 132,778,902.07 is: 183,245,050.08
Step by Step Solution
- Step 1: Write the proportion equation
211,028,274.91 : 291,235,175.18 = 132,778,902.07 : x - Step 2: Convert to fraction form
211,028,274.91/291,235,175.18 = 132,778,902.07/x - Step 3: Cross multiply
211,028,274.91x = 291,235,175.18 × 132,778,902.07 - Step 4: Simplify right side
211,028,274.91x = 38,669,886,804,168,376 - Step 5: Solve for x
x = 38,669,886,804,168,376/211,028,274.91 - Step 6: Final answer
x = 183,245,050.08
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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.