Finding the Fourth Proportional to 47,732,949.60, 65,869,728.48 and 29,179,163.76
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Solution
The fourth proportional to 47,732,949.60, 65,869,728.48 and 29,179,163.76 is: 40,266,181.12
Step by Step Solution
- Step 1: Write the proportion equation
47,732,949.60 : 65,869,728.48 = 29,179,163.76 : x - Step 2: Convert to fraction form
47,732,949.60/65,869,728.48 = 29,179,163.76/x - Step 3: Cross multiply
47,732,949.60x = 65,869,728.48 × 29,179,163.76 - Step 4: Simplify right side
47,732,949.60x = 1,922,023,594,144,656 - Step 5: Solve for x
x = 1,922,023,594,144,656/47,732,949.60 - Step 6: Final answer
x = 40,266,181.12
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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.