Finding the Fourth Proportional to 68,032,830.06, 102,034,132.92 and 19,510,473.42
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Solution
The fourth proportional to 68,032,830.06, 102,034,132.92 and 19,510,473.42 is: 29,261,376.26
Step by Step Solution
- Step 1: Write the proportion equation
68,032,830.06 : 102,034,132.92 = 19,510,473.42 : x - Step 2: Convert to fraction form
68,032,830.06/102,034,132.92 = 19,510,473.42/x - Step 3: Cross multiply
68,032,830.06x = 102,034,132.92 × 19,510,473.42 - Step 4: Simplify right side
68,032,830.06x = 1,990,734,238,268,407.25 - Step 5: Solve for x
x = 1,990,734,238,268,407.25/68,032,830.06 - Step 6: Final answer
x = 29,261,376.26
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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.