Finding the Fourth Proportional to 112,331,416.20, 168,497,124.30 and 63,790,513.80
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Solution
The fourth proportional to 112,331,416.20, 168,497,124.30 and 63,790,513.80 is: 95,685,770.70
Step by Step Solution
- Step 1: Write the proportion equation
112,331,416.20 : 168,497,124.30 = 63,790,513.80 : x - Step 2: Convert to fraction form
112,331,416.20/168,497,124.30 = 63,790,513.80/x - Step 3: Cross multiply
112,331,416.20x = 168,497,124.30 × 63,790,513.80 - Step 4: Simplify right side
112,331,416.20x = 10,748,518,132,919,466 - Step 5: Solve for x
x = 10,748,518,132,919,466/112,331,416.20 - Step 6: Final answer
x = 95,685,770.70
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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.