Finding the Fourth Proportional to 129,483,104.24, 178,684,570.20 and 70,744,505.24
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Solution
The fourth proportional to 129,483,104.24, 178,684,570.20 and 70,744,505.24 is: 97,626,262.41
Step by Step Solution
- Step 1: Write the proportion equation
129,483,104.24 : 178,684,570.20 = 70,744,505.24 : x - Step 2: Convert to fraction form
129,483,104.24/178,684,570.20 = 70,744,505.24/x - Step 3: Cross multiply
129,483,104.24x = 178,684,570.20 × 70,744,505.24 - Step 4: Simplify right side
129,483,104.24x = 12,640,951,512,821,046 - Step 5: Solve for x
x = 12,640,951,512,821,046/129,483,104.24 - Step 6: Final answer
x = 97,626,262.41
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.