Finding the Fourth Proportional to 159,685,148.14, 220,365,350.13 and 86,346,115.18
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Solution
The fourth proportional to 159,685,148.14, 220,365,350.13 and 86,346,115.18 is: 119,157,555.51
Step by Step Solution
- Step 1: Write the proportion equation
159,685,148.14 : 220,365,350.13 = 86,346,115.18 : x - Step 2: Convert to fraction form
159,685,148.14/220,365,350.13 = 86,346,115.18/x - Step 3: Cross multiply
159,685,148.14x = 220,365,350.13 × 86,346,115.18 - Step 4: Simplify right side
159,685,148.14x = 19,027,691,904,006,008 - Step 5: Solve for x
x = 19,027,691,904,006,008/159,685,148.14 - Step 6: Final answer
x = 119,157,555.51
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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.