Finding the Fourth Proportional to 249,528,794.20, 374,318,204.10 and 85,744,979.80
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Solution
The fourth proportional to 249,528,794.20, 374,318,204.10 and 85,744,979.80 is: 128,626,064.79
Step by Step Solution
- Step 1: Write the proportion equation
249,528,794.20 : 374,318,204.10 = 85,744,979.80 : x - Step 2: Convert to fraction form
249,528,794.20/374,318,204.10 = 85,744,979.80/x - Step 3: Cross multiply
249,528,794.20x = 374,318,204.10 × 85,744,979.80 - Step 4: Simplify right side
249,528,794.20x = 32,095,906,849,326,780 - Step 5: Solve for x
x = 32,095,906,849,326,780/249,528,794.20 - Step 6: Final answer
x = 128,626,064.79
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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.