Finding the Fourth Proportional to 79,858,981.11, 110,205,467.43 and 43,189,552.11
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Solution
The fourth proportional to 79,858,981.11, 110,205,467.43 and 43,189,552.11 is: 59,601,621.66
Step by Step Solution
- Step 1: Write the proportion equation
79,858,981.11 : 110,205,467.43 = 43,189,552.11 : x - Step 2: Convert to fraction form
79,858,981.11/110,205,467.43 = 43,189,552.11/x - Step 3: Cross multiply
79,858,981.11x = 110,205,467.43 × 43,189,552.11 - Step 4: Simplify right side
79,858,981.11x = 4,759,724,778,374,893 - Step 5: Solve for x
x = 4,759,724,778,374,893/79,858,981.11 - Step 6: Final answer
x = 59,601,621.66
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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.