Finding the Fourth Proportional to 265,890,206.62, 366,989,709.18 and 155,917,349.02
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Solution
The fourth proportional to 265,890,206.62, 366,989,709.18 and 155,917,349.02 is: 215,201,843.27
Step by Step Solution
- Step 1: Write the proportion equation
265,890,206.62 : 366,989,709.18 = 155,917,349.02 : x - Step 2: Convert to fraction form
265,890,206.62/366,989,709.18 = 155,917,349.02/x - Step 3: Cross multiply
265,890,206.62x = 366,989,709.18 × 155,917,349.02 - Step 4: Simplify right side
265,890,206.62x = 57,220,062,572,966,360 - Step 5: Solve for x
x = 57,220,062,572,966,360/265,890,206.62 - Step 6: Final answer
x = 215,201,843.27
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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.