Finding the Fourth Proportional to 76,478,346.24, 105,538,788.99 and 41,671,322.70
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Solution
The fourth proportional to 76,478,346.24, 105,538,788.99 and 41,671,322.70 is: 57,505,701.28
Step by Step Solution
- Step 1: Write the proportion equation
76,478,346.24 : 105,538,788.99 = 41,671,322.70 : x - Step 2: Convert to fraction form
76,478,346.24/105,538,788.99 = 41,671,322.70/x - Step 3: Cross multiply
76,478,346.24x = 105,538,788.99 × 41,671,322.70 - Step 4: Simplify right side
76,478,346.24x = 4,397,940,933,369,497 - Step 5: Solve for x
x = 4,397,940,933,369,497/76,478,346.24 - Step 6: Final answer
x = 57,505,701.28
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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.