Finding the Fourth Proportional to 134,730,120.30, 202,095,180.45 and 121,125,230.70
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Solution
The fourth proportional to 134,730,120.30, 202,095,180.45 and 121,125,230.70 is: 181,687,846.05
Step by Step Solution
- Step 1: Write the proportion equation
134,730,120.30 : 202,095,180.45 = 121,125,230.70 : x - Step 2: Convert to fraction form
134,730,120.30/202,095,180.45 = 121,125,230.70/x - Step 3: Cross multiply
134,730,120.30x = 202,095,180.45 × 121,125,230.70 - Step 4: Simplify right side
134,730,120.30x = 24,478,825,355,364,380 - Step 5: Solve for x
x = 24,478,825,355,364,380/134,730,120.30 - Step 6: Final answer
x = 181,687,846.05
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1.5x scale
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.