Finding the Fourth Proportional to 98,350,807.08, 135,597,940.74 and 80,644,474.92
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Solution
The fourth proportional to 98,350,807.08, 135,597,940.74 and 80,644,474.92 is: 111,185,917.59
Step by Step Solution
- Step 1: Write the proportion equation
98,350,807.08 : 135,597,940.74 = 80,644,474.92 : x - Step 2: Convert to fraction form
98,350,807.08/135,597,940.74 = 80,644,474.92/x - Step 3: Cross multiply
98,350,807.08x = 135,597,940.74 × 80,644,474.92 - Step 4: Simplify right side
98,350,807.08x = 10,935,224,731,210,578 - Step 5: Solve for x
x = 10,935,224,731,210,578/98,350,807.08 - Step 6: Final answer
x = 111,185,917.59
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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.