Finding the Fourth Proportional to 363,478,332.20, 545,220,608.70 and 121,141,236.20
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Solution
The fourth proportional to 363,478,332.20, 545,220,608.70 and 121,141,236.20 is: 181,712,890.94
Step by Step Solution
- Step 1: Write the proportion equation
363,478,332.20 : 545,220,608.70 = 121,141,236.20 : x - Step 2: Convert to fraction form
363,478,332.20/545,220,608.70 = 121,141,236.20/x - Step 3: Cross multiply
363,478,332.20x = 545,220,608.70 × 121,141,236.20 - Step 4: Simplify right side
363,478,332.20x = 66,048,698,539,634,480 - Step 5: Solve for x
x = 66,048,698,539,634,480/363,478,332.20 - Step 6: Final answer
x = 181,712,890.94
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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.