Finding the Fourth Proportional to 97,863,514.92, 135,055,118.88 and 53,813,864.88
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Solution
The fourth proportional to 97,863,514.92, 135,055,118.88 and 53,813,864.88 is: 74,265,040.70
Step by Step Solution
- Step 1: Write the proportion equation
97,863,514.92 : 135,055,118.88 = 53,813,864.88 : x - Step 2: Convert to fraction form
97,863,514.92/135,055,118.88 = 53,813,864.88/x - Step 3: Cross multiply
97,863,514.92x = 135,055,118.88 × 53,813,864.88 - Step 4: Simplify right side
97,863,514.92x = 7,267,837,918,760,657 - Step 5: Solve for x
x = 7,267,837,918,760,657/97,863,514.92 - Step 6: Final answer
x = 74,265,040.70
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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.