Finding the Fourth Proportional to 111,122,358,893.48, 153,348,855,049.84 and 62,950,402,062.12
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Solution
The fourth proportional to 111,122,358,893.48, 153,348,855,049.84 and 62,950,402,062.12 is: 86,871,554,719.30
Step by Step Solution
- Step 1: Write the proportion equation
111,122,358,893.48 : 153,348,855,049.84 = 62,950,402,062.12 : x - Step 2: Convert to fraction form
111,122,358,893.48/153,348,855,049.84 = 62,950,402,062.12/x - Step 3: Cross multiply
111,122,358,893.48x = 153,348,855,049.84 × 62,950,402,062.12 - Step 4: Simplify right side
111,122,358,893.48x = 9,653,372,081,153,188,560,896 - Step 5: Solve for x
x = 9,653,372,081,153,188,560,896/111,122,358,893.48 - Step 6: Final answer
x = 86,871,554,719.30
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1.5x scale
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.