Finding the Fourth Proportional to 85,340,157.14, 117,769,413.84 and 46,181,933.48
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Solution
The fourth proportional to 85,340,157.14, 117,769,413.84 and 46,181,933.48 is: 63,731,066.57
Step by Step Solution
- Step 1: Write the proportion equation
85,340,157.14 : 117,769,413.84 = 46,181,933.48 : x - Step 2: Convert to fraction form
85,340,157.14/117,769,413.84 = 46,181,933.48/x - Step 3: Cross multiply
85,340,157.14x = 117,769,413.84 × 46,181,933.48 - Step 4: Simplify right side
85,340,157.14x = 5,438,819,235,937,471 - Step 5: Solve for x
x = 5,438,819,235,937,471/85,340,157.14 - Step 6: Final answer
x = 63,731,066.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.