Finding the Fourth Proportional to 112,331,130.70, 168,496,696.05 and 63,790,228.30
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Solution
The fourth proportional to 112,331,130.70, 168,496,696.05 and 63,790,228.30 is: 95,685,342.45
Step by Step Solution
- Step 1: Write the proportion equation
112,331,130.70 : 168,496,696.05 = 63,790,228.30 : x - Step 2: Convert to fraction form
112,331,130.70/168,496,696.05 = 63,790,228.30/x - Step 3: Cross multiply
112,331,130.70x = 168,496,696.05 × 63,790,228.30 - Step 4: Simplify right side
112,331,130.70x = 10,748,442,708,825,208 - Step 5: Solve for x
x = 10,748,442,708,825,208/112,331,130.70 - Step 6: Final answer
x = 95,685,342.45
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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.