Finding the Fourth Proportional to 130,009,450.96, 194,957,483.34 and 49,173,731.92
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Solution
The fourth proportional to 130,009,450.96, 194,957,483.34 and 49,173,731.92 is: 73,739,154.74
Step by Step Solution
- Step 1: Write the proportion equation
130,009,450.96 : 194,957,483.34 = 49,173,731.92 : x - Step 2: Convert to fraction form
130,009,450.96/194,957,483.34 = 49,173,731.92/x - Step 3: Cross multiply
130,009,450.96x = 194,957,483.34 × 49,173,731.92 - Step 4: Simplify right side
130,009,450.96x = 9,586,787,021,559,026 - Step 5: Solve for x
x = 9,586,787,021,559,026/130,009,450.96 - Step 6: Final answer
x = 73,739,154.74
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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.