Finding the Fourth Proportional to 97,791,342, 134,956,251 and 54,331,278
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Solution
The fourth proportional to 97,791,342, 134,956,251 and 54,331,278 is: 74,979,496.56
Step by Step Solution
- Step 1: Write the proportion equation
97,791,342 : 134,956,251 = 54,331,278 : x - Step 2: Convert to fraction form
97,791,342/134,956,251 = 54,331,278/x - Step 3: Cross multiply
97,791,342x = 134,956,251 × 54,331,278 - Step 4: Simplify right side
97,791,342x = 7,332,345,590,918,778 - Step 5: Solve for x
x = 7,332,345,590,918,778/97,791,342 - Step 6: Final answer
x = 74,979,496.56
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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.