Finding the Fourth Proportional to 127,538,731.68, 191,338,454.00 and 41,277,138.54
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Solution
The fourth proportional to 127,538,731.68, 191,338,454.00 and 41,277,138.54 is: 61,925,532.50
Step by Step Solution
- Step 1: Write the proportion equation
127,538,731.68 : 191,338,454.00 = 41,277,138.54 : x - Step 2: Convert to fraction form
127,538,731.68/191,338,454.00 = 41,277,138.54/x - Step 3: Cross multiply
127,538,731.68x = 191,338,454.00 × 41,277,138.54 - Step 4: Simplify right side
127,538,731.68x = 7,897,903,873,173,091 - Step 5: Solve for x
x = 7,897,903,873,173,091/127,538,731.68 - Step 6: Final answer
x = 61,925,532.50
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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.