Finding the Fourth Proportional to 190,766,411.60, 286,170,612.60 and 61,351,998.80
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Solution
The fourth proportional to 190,766,411.60, 286,170,612.60 and 61,351,998.80 is: 92,034,750.42
Step by Step Solution
- Step 1: Write the proportion equation
190,766,411.60 : 286,170,612.60 = 61,351,998.80 : x - Step 2: Convert to fraction form
190,766,411.60/286,170,612.60 = 61,351,998.80/x - Step 3: Cross multiply
190,766,411.60x = 286,170,612.60 × 61,351,998.80 - Step 4: Simplify right side
190,766,411.60x = 17,557,139,080,830,466 - Step 5: Solve for x
x = 17,557,139,080,830,466/190,766,411.60 - Step 6: Final answer
x = 92,034,750.42
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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.