Finding the Fourth Proportional to 130,942,631.68, 196,413,912.96 and 44,681,030.08
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Solution
The fourth proportional to 130,942,631.68, 196,413,912.96 and 44,681,030.08 is: 67,021,533.33
Step by Step Solution
- Step 1: Write the proportion equation
130,942,631.68 : 196,413,912.96 = 44,681,030.08 : x - Step 2: Convert to fraction form
130,942,631.68/196,413,912.96 = 44,681,030.08/x - Step 3: Cross multiply
130,942,631.68x = 196,413,912.96 × 44,681,030.08 - Step 4: Simplify right side
130,942,631.68x = 8,775,975,953,096,262 - Step 5: Solve for x
x = 8,775,975,953,096,262/130,942,631.68 - Step 6: Final answer
x = 67,021,533.33
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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.