Finding the Fourth Proportional to 130,102,658.52, 195,133,047.09 and 37,964,764.05
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Solution
The fourth proportional to 130,102,658.52, 195,133,047.09 and 37,964,764.05 is: 56,941,035.45
Step by Step Solution
- Step 1: Write the proportion equation
130,102,658.52 : 195,133,047.09 = 37,964,764.05 : x - Step 2: Convert to fraction form
130,102,658.52/195,133,047.09 = 37,964,764.05/x - Step 3: Cross multiply
130,102,658.52x = 195,133,047.09 × 37,964,764.05 - Step 4: Simplify right side
130,102,658.52x = 7,408,180,091,129,389 - Step 5: Solve for x
x = 7,408,180,091,129,389/130,102,658.52 - Step 6: Final answer
x = 56,941,035.45
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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.