Finding the Fourth Proportional to 101,701,879.93, 140,347,903.30 and 55,292,134.02
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Solution
The fourth proportional to 101,701,879.93, 140,347,903.30 and 55,292,134.02 is: 76,302,769.27
Step by Step Solution
- Step 1: Write the proportion equation
101,701,879.93 : 140,347,903.30 = 55,292,134.02 : x - Step 2: Convert to fraction form
101,701,879.93/140,347,903.30 = 55,292,134.02/x - Step 3: Cross multiply
101,701,879.93x = 140,347,903.30 × 55,292,134.02 - Step 4: Simplify right side
101,701,879.93x = 7,760,135,078,689,601 - Step 5: Solve for x
x = 7,760,135,078,689,601/101,701,879.93 - Step 6: Final answer
x = 76,302,769.27
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.