Finding the Fourth Proportional to 86,068,896.84, 118,775,121.53 and 48,899,241.41
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Solution
The fourth proportional to 86,068,896.84, 118,775,121.53 and 48,899,241.41 is: 67,480,978.07
Step by Step Solution
- Step 1: Write the proportion equation
86,068,896.84 : 118,775,121.53 = 48,899,241.41 : x - Step 2: Convert to fraction form
86,068,896.84/118,775,121.53 = 48,899,241.41/x - Step 3: Cross multiply
86,068,896.84x = 118,775,121.53 × 48,899,241.41 - Step 4: Simplify right side
86,068,896.84x = 5,808,013,340,359,187 - Step 5: Solve for x
x = 5,808,013,340,359,187/86,068,896.84 - Step 6: Final answer
x = 67,480,978.07
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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.