Finding the Fourth Proportional to 212,276,071.42, 292,940,378.51 and 119,456,578.35
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Solution
The fourth proportional to 212,276,071.42, 292,940,378.51 and 119,456,578.35 is: 164,849,740.45
Step by Step Solution
- Step 1: Write the proportion equation
212,276,071.42 : 292,940,378.51 = 119,456,578.35 : x - Step 2: Convert to fraction form
212,276,071.42/292,940,378.51 = 119,456,578.35/x - Step 3: Cross multiply
212,276,071.42x = 292,940,378.51 × 119,456,578.35 - Step 4: Simplify right side
212,276,071.42x = 34,993,655,276,761,188 - Step 5: Solve for x
x = 34,993,655,276,761,188/212,276,071.42 - Step 6: Final answer
x = 164,849,740.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.