Finding the Fourth Proportional to 199,288,869.60, 298,980,543.60 and 102,259,552.80
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Solution
The fourth proportional to 199,288,869.60, 298,980,543.60 and 102,259,552.80 is: 153,413,568.68
Step by Step Solution
- Step 1: Write the proportion equation
199,288,869.60 : 298,980,543.60 = 102,259,552.80 : x - Step 2: Convert to fraction form
199,288,869.60/298,980,543.60 = 102,259,552.80/x - Step 3: Cross multiply
199,288,869.60x = 298,980,543.60 × 102,259,552.80 - Step 4: Simplify right side
199,288,869.60x = 30,573,616,684,436,904 - Step 5: Solve for x
x = 30,573,616,684,436,904/199,288,869.60 - Step 6: Final answer
x = 153,413,568.68
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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.