Finding the Fourth Proportional to 171,396,506.02, 236,599,562.57 and 115,717,355.50
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Solution
The fourth proportional to 171,396,506.02, 236,599,562.57 and 115,717,355.50 is: 159,738,820.40
Step by Step Solution
- Step 1: Write the proportion equation
171,396,506.02 : 236,599,562.57 = 115,717,355.50 : x - Step 2: Convert to fraction form
171,396,506.02/236,599,562.57 = 115,717,355.50/x - Step 3: Cross multiply
171,396,506.02x = 236,599,562.57 × 115,717,355.50 - Step 4: Simplify right side
171,396,506.02x = 27,378,675,693,057,184 - Step 5: Solve for x
x = 27,378,675,693,057,184/171,396,506.02 - Step 6: Final answer
x = 159,738,820.40
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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.