Finding the Fourth Proportional to 45,780,572.70, 68,670,859.05 and 42,273,062.10
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Solution
The fourth proportional to 45,780,572.70, 68,670,859.05 and 42,273,062.10 is: 63,409,593.15
Step by Step Solution
- Step 1: Write the proportion equation
45,780,572.70 : 68,670,859.05 = 42,273,062.10 : x - Step 2: Convert to fraction form
45,780,572.70/68,670,859.05 = 42,273,062.10/x - Step 3: Cross multiply
45,780,572.70x = 68,670,859.05 × 42,273,062.10 - Step 4: Simplify right side
45,780,572.70x = 2,902,927,489,080,997 - Step 5: Solve for x
x = 2,902,927,489,080,997/45,780,572.70 - Step 6: Final answer
x = 63,409,593.15
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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.