Finding the Fourth Proportional to 147,191,187.95, 203,125,182.74 and 81,114,057.05
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Solution
The fourth proportional to 147,191,187.95, 203,125,182.74 and 81,114,057.05 is: 111,938,139.03
Step by Step Solution
- Step 1: Write the proportion equation
147,191,187.95 : 203,125,182.74 = 81,114,057.05 : x - Step 2: Convert to fraction form
147,191,187.95/203,125,182.74 = 81,114,057.05/x - Step 3: Cross multiply
147,191,187.95x = 203,125,182.74 × 81,114,057.05 - Step 4: Simplify right side
147,191,187.95x = 16,476,307,661,064,036 - Step 5: Solve for x
x = 16,476,307,661,064,036/147,191,187.95 - Step 6: Final answer
x = 111,938,139.03
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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.