Finding the Fourth Proportional to 70,769,244.68, 97,651,024.28 and 39,827,568.68
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Solution
The fourth proportional to 70,769,244.68, 97,651,024.28 and 39,827,568.68 is: 54,956,116.80
Step by Step Solution
- Step 1: Write the proportion equation
70,769,244.68 : 97,651,024.28 = 39,827,568.68 : x - Step 2: Convert to fraction form
70,769,244.68/97,651,024.28 = 39,827,568.68/x - Step 3: Cross multiply
70,769,244.68x = 97,651,024.28 × 39,827,568.68 - Step 4: Simplify right side
70,769,244.68x = 3,889,202,876,184,047.50 - Step 5: Solve for x
x = 3,889,202,876,184,047.50/70,769,244.68 - Step 6: Final answer
x = 54,956,116.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.