Finding the Fourth Proportional to 64,707,079.69, 97,062,612.45 and 28,296,728.20
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Solution
The fourth proportional to 64,707,079.69, 97,062,612.45 and 28,296,728.20 is: 42,445,963.81
Step by Step Solution
- Step 1: Write the proportion equation
64,707,079.69 : 97,062,612.45 = 28,296,728.20 : x - Step 2: Convert to fraction form
64,707,079.69/97,062,612.45 = 28,296,728.20/x - Step 3: Cross multiply
64,707,079.69x = 97,062,612.45 × 28,296,728.20 - Step 4: Simplify right side
64,707,079.69x = 2,746,554,362,879,586 - Step 5: Solve for x
x = 2,746,554,362,879,586/64,707,079.69 - Step 6: Final answer
x = 42,445,963.81
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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.