Finding the Fourth Proportional to 147,210,431.16, 203,185,013.58 and 91,497,927
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Solution
The fourth proportional to 147,210,431.16, 203,185,013.58 and 91,497,927 is: 126,288,656.27
Step by Step Solution
- Step 1: Write the proportion equation
147,210,431.16 : 203,185,013.58 = 91,497,927 : x - Step 2: Convert to fraction form
147,210,431.16/203,185,013.58 = 91,497,927/x - Step 3: Cross multiply
147,210,431.16x = 203,185,013.58 × 91,497,927 - Step 4: Simplify right side
147,210,431.16x = 18,591,007,540,036,848 - Step 5: Solve for x
x = 18,591,007,540,036,848/147,210,431.16 - Step 6: Final answer
x = 126,288,656.27
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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.