Finding the Fourth Proportional to 97,683,679.51, 134,807,268.65 and 53,632,535.02
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Solution
The fourth proportional to 97,683,679.51, 134,807,268.65 and 53,632,535.02 is: 74,014,979.70
Step by Step Solution
- Step 1: Write the proportion equation
97,683,679.51 : 134,807,268.65 = 53,632,535.02 : x - Step 2: Convert to fraction form
97,683,679.51/134,807,268.65 = 53,632,535.02/x - Step 3: Cross multiply
97,683,679.51x = 134,807,268.65 × 53,632,535.02 - Step 4: Simplify right side
97,683,679.51x = 7,230,055,556,216,493 - Step 5: Solve for x
x = 7,230,055,556,216,493/97,683,679.51 - Step 6: Final answer
x = 74,014,979.70
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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.