Finding the Fourth Proportional to 135,642,812.10, 203,464,218.15 and 134,509,071.30
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Solution
The fourth proportional to 135,642,812.10, 203,464,218.15 and 134,509,071.30 is: 201,763,606.95
Step by Step Solution
- Step 1: Write the proportion equation
135,642,812.10 : 203,464,218.15 = 134,509,071.30 : x - Step 2: Convert to fraction form
135,642,812.10/203,464,218.15 = 134,509,071.30/x - Step 3: Cross multiply
135,642,812.10x = 203,464,218.15 × 134,509,071.30 - Step 4: Simplify right side
135,642,812.10x = 27,367,783,026,137,108 - Step 5: Solve for x
x = 27,367,783,026,137,108/135,642,812.10 - Step 6: Final answer
x = 201,763,606.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.