Finding the Fourth Proportional to 199,903,852.48, 299,862,416.52 and 68,744,841.28
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Solution
The fourth proportional to 199,903,852.48, 299,862,416.52 and 68,744,841.28 is: 103,119,544.59
Step by Step Solution
- Step 1: Write the proportion equation
199,903,852.48 : 299,862,416.52 = 68,744,841.28 : x - Step 2: Convert to fraction form
199,903,852.48/299,862,416.52 = 68,744,841.28/x - Step 3: Cross multiply
199,903,852.48x = 299,862,416.52 × 68,744,841.28 - Step 4: Simplify right side
199,903,852.48x = 20,613,994,229,504,648 - Step 5: Solve for x
x = 20,613,994,229,504,648/199,903,852.48 - Step 6: Final answer
x = 103,119,544.59
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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.