Finding the Fourth Proportional to 97,882,325.78, 135,074,517.64 and 53,829,188.38
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Solution
The fourth proportional to 97,882,325.78, 135,074,517.64 and 53,829,188.38 is: 74,282,579.60
Step by Step Solution
- Step 1: Write the proportion equation
97,882,325.78 : 135,074,517.64 = 53,829,188.38 : x - Step 2: Convert to fraction form
97,882,325.78/135,074,517.64 = 53,829,188.38/x - Step 3: Cross multiply
97,882,325.78x = 135,074,517.64 × 53,829,188.38 - Step 4: Simplify right side
97,882,325.78x = 7,270,951,655,415,463 - Step 5: Solve for x
x = 7,270,951,655,415,463/97,882,325.78 - Step 6: Final answer
x = 74,282,579.60
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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.