Finding the Fourth Proportional to 147,191,202.14, 203,125,202.28 and 81,114,071.24
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Solution
The fourth proportional to 147,191,202.14, 203,125,202.28 and 81,114,071.24 is: 111,938,158.59
Step by Step Solution
- Step 1: Write the proportion equation
147,191,202.14 : 203,125,202.28 = 81,114,071.24 : x - Step 2: Convert to fraction form
147,191,202.14/203,125,202.28 = 81,114,071.24/x - Step 3: Cross multiply
147,191,202.14x = 203,125,202.28 × 81,114,071.24 - Step 4: Simplify right side
147,191,202.14x = 16,476,312,128,379,330 - Step 5: Solve for x
x = 16,476,312,128,379,330/147,191,202.14 - Step 6: Final answer
x = 111,938,158.59
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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.