Finding the Fourth Proportional to 135,087,297.51, 186,420,629.93 and 73,207,636.05
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Solution
The fourth proportional to 135,087,297.51, 186,420,629.93 and 73,207,636.05 is: 101,026,624.11
Step by Step Solution
- Step 1: Write the proportion equation
135,087,297.51 : 186,420,629.93 = 73,207,636.05 : x - Step 2: Convert to fraction form
135,087,297.51/186,420,629.93 = 73,207,636.05/x - Step 3: Cross multiply
135,087,297.51x = 186,420,629.93 × 73,207,636.05 - Step 4: Simplify right side
135,087,297.51x = 13,647,413,628,127,176 - Step 5: Solve for x
x = 13,647,413,628,127,176/135,087,297.51 - Step 6: Final answer
x = 101,026,624.11
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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.