Finding the Fourth Proportional to 68,079,860.79, 101,588,799.21 and 60,742,891.32
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Solution
The fourth proportional to 68,079,860.79, 101,588,799.21 and 60,742,891.32 is: 90,640,570.03
Step by Step Solution
- Step 1: Write the proportion equation
68,079,860.79 : 101,588,799.21 = 60,742,891.32 : x - Step 2: Convert to fraction form
68,079,860.79/101,588,799.21 = 60,742,891.32/x - Step 3: Cross multiply
68,079,860.79x = 101,588,799.21 × 60,742,891.32 - Step 4: Simplify right side
68,079,860.79x = 6,170,797,389,742,331 - Step 5: Solve for x
x = 6,170,797,389,742,331/68,079,860.79 - Step 6: Final answer
x = 90,640,570.03
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.