Finding the Fourth Proportional to 79,902,718.92, 119,859,392.79 and 28,081,054.08
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Solution
The fourth proportional to 79,902,718.92, 119,859,392.79 and 28,081,054.08 is: 42,123,448.82
Step by Step Solution
- Step 1: Write the proportion equation
79,902,718.92 : 119,859,392.79 = 28,081,054.08 : x - Step 2: Convert to fraction form
79,902,718.92/119,859,392.79 = 28,081,054.08/x - Step 3: Cross multiply
79,902,718.92x = 119,859,392.79 × 28,081,054.08 - Step 4: Simplify right side
79,902,718.92x = 3,365,778,090,931,952 - Step 5: Solve for x
x = 3,365,778,090,931,952/79,902,718.92 - Step 6: Final answer
x = 42,123,448.82
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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.