Finding the Fourth Proportional to 68,298,968.73, 102,448,470.51 and 19,122,067.05
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Solution
The fourth proportional to 68,298,968.73, 102,448,470.51 and 19,122,067.05 is: 28,683,105.45
Step by Step Solution
- Step 1: Write the proportion equation
68,298,968.73 : 102,448,470.51 = 19,122,067.05 : x - Step 2: Convert to fraction form
68,298,968.73/102,448,470.51 = 19,122,067.05/x - Step 3: Cross multiply
68,298,968.73x = 102,448,470.51 × 19,122,067.05 - Step 4: Simplify right side
68,298,968.73x = 1,959,026,522,262,167.75 - Step 5: Solve for x
x = 1,959,026,522,262,167.75/68,298,968.73 - Step 6: Final answer
x = 28,683,105.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.