Finding the Fourth Proportional to 122,247,918.16, 168,686,798.27 and 82,641,621.53
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Solution
The fourth proportional to 122,247,918.16, 168,686,798.27 and 82,641,621.53 is: 114,035,075.20
Step by Step Solution
- Step 1: Write the proportion equation
122,247,918.16 : 168,686,798.27 = 82,641,621.53 : x - Step 2: Convert to fraction form
122,247,918.16/168,686,798.27 = 82,641,621.53/x - Step 3: Cross multiply
122,247,918.16x = 168,686,798.27 × 82,641,621.53 - Step 4: Simplify right side
122,247,918.16x = 13,940,550,539,745,306 - Step 5: Solve for x
x = 13,940,550,539,745,306/122,247,918.16 - Step 6: Final answer
x = 114,035,075.20
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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.