Finding the Fourth Proportional to 118,634,983.26, 163,717,967.00 and 68,398,208.04
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Solution
The fourth proportional to 118,634,983.26, 163,717,967.00 and 68,398,208.04 is: 94,390,501.51
Step by Step Solution
- Step 1: Write the proportion equation
118,634,983.26 : 163,717,967.00 = 68,398,208.04 : x - Step 2: Convert to fraction form
118,634,983.26/163,717,967.00 = 68,398,208.04/x - Step 3: Cross multiply
118,634,983.26x = 163,717,967.00 × 68,398,208.04 - Step 4: Simplify right side
118,634,983.26x = 11,198,015,566,409,866 - Step 5: Solve for x
x = 11,198,015,566,409,866/118,634,983.26 - Step 6: Final answer
x = 94,390,501.51
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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.