Finding the Fourth Proportional to 98,585,092.55, 135,335,011.84 and 84,622,206.85
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Solution
The fourth proportional to 98,585,092.55, 135,335,011.84 and 84,622,206.85 is: 116,167,131.04
Step by Step Solution
- Step 1: Write the proportion equation
98,585,092.55 : 135,335,011.84 = 84,622,206.85 : x - Step 2: Convert to fraction form
98,585,092.55/135,335,011.84 = 84,622,206.85/x - Step 3: Cross multiply
98,585,092.55x = 135,335,011.84 × 84,622,206.85 - Step 4: Simplify right side
98,585,092.55x = 11,452,347,365,421,786 - Step 5: Solve for x
x = 11,452,347,365,421,786/98,585,092.55 - Step 6: Final answer
x = 116,167,131.04
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.