Finding the Fourth Proportional to 135,087,297.93, 186,420,630.51 and 73,207,636.47
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Solution
The fourth proportional to 135,087,297.93, 186,420,630.51 and 73,207,636.47 is: 101,026,624.69
Step by Step Solution
- Step 1: Write the proportion equation
135,087,297.93 : 186,420,630.51 = 73,207,636.47 : x - Step 2: Convert to fraction form
135,087,297.93/186,420,630.51 = 73,207,636.47/x - Step 3: Cross multiply
135,087,297.93x = 186,420,630.51 × 73,207,636.47 - Step 4: Simplify right side
135,087,297.93x = 13,647,413,748,884,270 - Step 5: Solve for x
x = 13,647,413,748,884,270/135,087,297.93 - Step 6: Final answer
x = 101,026,624.69
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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.