Finding the Fourth Proportional to 116,508,841.60, 174,805,252.80 and 48,400,412.80
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Solution
The fourth proportional to 116,508,841.60, 174,805,252.80 and 48,400,412.80 is: 72,618,062.96
Step by Step Solution
- Step 1: Write the proportion equation
116,508,841.60 : 174,805,252.80 = 48,400,412.80 : x - Step 2: Convert to fraction form
116,508,841.60/174,805,252.80 = 48,400,412.80/x - Step 3: Cross multiply
116,508,841.60x = 174,805,252.80 × 48,400,412.80 - Step 4: Simplify right side
116,508,841.60x = 8,460,646,395,128,356 - Step 5: Solve for x
x = 8,460,646,395,128,356/116,508,841.60 - Step 6: Final answer
x = 72,618,062.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.