Finding the Fourth Proportional to 173,235,011.79, 259,767,486.77 and 85,695,386.07
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Solution
The fourth proportional to 173,235,011.79, 259,767,486.77 and 85,695,386.07 is: 128,501,016.26
Step by Step Solution
- Step 1: Write the proportion equation
173,235,011.79 : 259,767,486.77 = 85,695,386.07 : x - Step 2: Convert to fraction form
173,235,011.79/259,767,486.77 = 85,695,386.07/x - Step 3: Cross multiply
173,235,011.79x = 259,767,486.77 × 85,695,386.07 - Step 4: Simplify right side
173,235,011.79x = 22,260,875,066,760,288 - Step 5: Solve for x
x = 22,260,875,066,760,288/173,235,011.79 - Step 6: Final answer
x = 128,501,016.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.