Finding the Fourth Proportional to 222,032,995.16, 306,409,162.44 and 121,559,757.08
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Solution
The fourth proportional to 222,032,995.16, 306,409,162.44 and 121,559,757.08 is: 167,754,451.66
Step by Step Solution
- Step 1: Write the proportion equation
222,032,995.16 : 306,409,162.44 = 121,559,757.08 : x - Step 2: Convert to fraction form
222,032,995.16/306,409,162.44 = 121,559,757.08/x - Step 3: Cross multiply
222,032,995.16x = 306,409,162.44 × 121,559,757.08 - Step 4: Simplify right side
222,032,995.16x = 37,247,023,353,292,656 - Step 5: Solve for x
x = 37,247,023,353,292,656/222,032,995.16 - Step 6: Final answer
x = 167,754,451.66
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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.