Finding the Fourth Proportional to 48,878,899.85, 73,359,684.08 and 20,145,656.45
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Solution
The fourth proportional to 48,878,899.85, 73,359,684.08 and 20,145,656.45 is: 30,235,520.79
Step by Step Solution
- Step 1: Write the proportion equation
48,878,899.85 : 73,359,684.08 = 20,145,656.45 : x - Step 2: Convert to fraction form
48,878,899.85/73,359,684.08 = 20,145,656.45/x - Step 3: Cross multiply
48,878,899.85x = 73,359,684.08 × 20,145,656.45 - Step 4: Simplify right side
48,878,899.85x = 1,477,878,992,655,486 - Step 5: Solve for x
x = 1,477,878,992,655,486/48,878,899.85 - Step 6: Final answer
x = 30,235,520.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.