Finding the Fourth Proportional to 212,961,224, 293,886,489.60 and 115,176,080
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Solution
The fourth proportional to 212,961,224, 293,886,489.60 and 115,176,080 is: 158,942,990.66
Step by Step Solution
- Step 1: Write the proportion equation
212,961,224 : 293,886,489.60 = 115,176,080 : x - Step 2: Convert to fraction form
212,961,224/293,886,489.60 = 115,176,080/x - Step 3: Cross multiply
212,961,224x = 293,886,489.60 × 115,176,080 - Step 4: Simplify right side
212,961,224x = 33,848,693,837,088,772 - Step 5: Solve for x
x = 33,848,693,837,088,772/212,961,224 - Step 6: Final answer
x = 158,942,990.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.