Finding the Fourth Proportional to 97,196,062.46, 134,130,578.87 and 53,143,091.82
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Solution
The fourth proportional to 97,196,062.46, 134,130,578.87 and 53,143,091.82 is: 73,337,473.65
Step by Step Solution
- Step 1: Write the proportion equation
97,196,062.46 : 134,130,578.87 = 53,143,091.82 : x - Step 2: Convert to fraction form
97,196,062.46/134,130,578.87 = 53,143,091.82/x - Step 3: Cross multiply
97,196,062.46x = 134,130,578.87 × 53,143,091.82 - Step 4: Simplify right side
97,196,062.46x = 7,128,113,668,891,020 - Step 5: Solve for x
x = 7,128,113,668,891,020/97,196,062.46 - Step 6: Final answer
x = 73,337,473.65
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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.