Finding the Fourth Proportional to 117,534,465.80, 176,301,698.70 and 40,832,001.80
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Solution
The fourth proportional to 117,534,465.80, 176,301,698.70 and 40,832,001.80 is: 61,248,002.70
Step by Step Solution
- Step 1: Write the proportion equation
117,534,465.80 : 176,301,698.70 = 40,832,001.80 : x - Step 2: Convert to fraction form
117,534,465.80/176,301,698.70 = 40,832,001.80/x - Step 3: Cross multiply
117,534,465.80x = 176,301,698.70 × 40,832,001.80 - Step 4: Simplify right side
117,534,465.80x = 7,198,751,278,661,457 - Step 5: Solve for x
x = 7,198,751,278,661,457/117,534,465.80 - Step 6: Final answer
x = 61,248,002.70
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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.