Finding the Fourth Proportional to 48,478,585.80, 72,757,536.30 and 48,100,672.20
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Solution
The fourth proportional to 48,478,585.80, 72,757,536.30 and 48,100,672.20 is: 72,190,356.75
Step by Step Solution
- Step 1: Write the proportion equation
48,478,585.80 : 72,757,536.30 = 48,100,672.20 : x - Step 2: Convert to fraction form
48,478,585.80/72,757,536.30 = 48,100,672.20/x - Step 3: Cross multiply
48,478,585.80x = 72,757,536.30 × 48,100,672.20 - Step 4: Simplify right side
48,478,585.80x = 3,499,686,403,645,901 - Step 5: Solve for x
x = 3,499,686,403,645,901/48,478,585.80 - Step 6: Final answer
x = 72,190,356.75
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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.