Finding the Fourth Proportional to 97,111,556.74, 134,012,384.32 and 53,057,609.65
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Solution
The fourth proportional to 97,111,556.74, 134,012,384.32 and 53,057,609.65 is: 73,218,646.82
Step by Step Solution
- Step 1: Write the proportion equation
97,111,556.74 : 134,012,384.32 = 53,057,609.65 : x - Step 2: Convert to fraction form
97,111,556.74/134,012,384.32 = 53,057,609.65/x - Step 3: Cross multiply
97,111,556.74x = 134,012,384.32 × 53,057,609.65 - Step 4: Simplify right side
97,111,556.74x = 7,110,376,775,251,052 - Step 5: Solve for x
x = 7,110,376,775,251,052/97,111,556.74 - Step 6: Final answer
x = 73,218,646.82
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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.