Finding the Fourth Proportional to 64,728,723.65, 89,346,925.87 and 51,522,125.63
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Solution
The fourth proportional to 64,728,723.65, 89,346,925.87 and 51,522,125.63 is: 71,117,477.37
Step by Step Solution
- Step 1: Write the proportion equation
64,728,723.65 : 89,346,925.87 = 51,522,125.63 : x - Step 2: Convert to fraction form
64,728,723.65/89,346,925.87 = 51,522,125.63/x - Step 3: Cross multiply
64,728,723.65x = 89,346,925.87 × 51,522,125.63 - Step 4: Simplify right side
64,728,723.65x = 4,603,343,538,752,897 - Step 5: Solve for x
x = 4,603,343,538,752,897/64,728,723.65 - Step 6: Final answer
x = 71,117,477.37
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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.