Finding the Fourth Proportional to 130,614,981.57, 195,922,875.27 and 32,246,699.49
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Solution
The fourth proportional to 130,614,981.57, 195,922,875.27 and 32,246,699.49 is: 48,370,148.71
Step by Step Solution
- Step 1: Write the proportion equation
130,614,981.57 : 195,922,875.27 = 32,246,699.49 : x - Step 2: Convert to fraction form
130,614,981.57/195,922,875.27 = 32,246,699.49/x - Step 3: Cross multiply
130,614,981.57x = 195,922,875.27 × 32,246,699.49 - Step 4: Simplify right side
130,614,981.57x = 6,317,866,081,887,208 - Step 5: Solve for x
x = 6,317,866,081,887,208/130,614,981.57 - Step 6: Final answer
x = 48,370,148.71
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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.