Finding the Fourth Proportional to 384,336,109.08, 576,384,930.36 and 138,660,806.52
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Solution
The fourth proportional to 384,336,109.08, 576,384,930.36 and 138,660,806.52 is: 207,948,192.80
Step by Step Solution
- Step 1: Write the proportion equation
384,336,109.08 : 576,384,930.36 = 138,660,806.52 : x - Step 2: Convert to fraction form
384,336,109.08/576,384,930.36 = 138,660,806.52/x - Step 3: Cross multiply
384,336,109.08x = 576,384,930.36 × 138,660,806.52 - Step 4: Simplify right side
384,336,109.08x = 79,921,999,309,691,648 - Step 5: Solve for x
x = 79,921,999,309,691,648/384,336,109.08 - Step 6: Final answer
x = 207,948,192.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.