Finding the Fourth Proportional to 127,101,245.10, 190,651,867.65 and 98,368,001.70
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Solution
The fourth proportional to 127,101,245.10, 190,651,867.65 and 98,368,001.70 is: 147,552,002.55
Step by Step Solution
- Step 1: Write the proportion equation
127,101,245.10 : 190,651,867.65 = 98,368,001.70 : x - Step 2: Convert to fraction form
127,101,245.10/190,651,867.65 = 98,368,001.70/x - Step 3: Cross multiply
127,101,245.10x = 190,651,867.65 × 98,368,001.70 - Step 4: Simplify right side
127,101,245.10x = 18,754,043,241,103,376 - Step 5: Solve for x
x = 18,754,043,241,103,376/127,101,245.10 - Step 6: Final answer
x = 147,552,002.55
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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.