Finding the Fourth Proportional to 73,672,541.28, 110,585,460.84 and 54,263,682.72
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Solution
The fourth proportional to 73,672,541.28, 110,585,460.84 and 54,263,682.72 is: 81,451,980.02
Step by Step Solution
- Step 1: Write the proportion equation
73,672,541.28 : 110,585,460.84 = 54,263,682.72 : x - Step 2: Convert to fraction form
73,672,541.28/110,585,460.84 = 54,263,682.72/x - Step 3: Cross multiply
73,672,541.28x = 110,585,460.84 × 54,263,682.72 - Step 4: Simplify right side
73,672,541.28x = 6,000,774,360,466,745 - Step 5: Solve for x
x = 6,000,774,360,466,745/73,672,541.28 - Step 6: Final answer
x = 81,451,980.02
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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.