Finding the Fourth Proportional to 131,495,541.70, 197,243,312.55 and 54,873,559.30
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Solution
The fourth proportional to 131,495,541.70, 197,243,312.55 and 54,873,559.30 is: 82,310,338.95
Step by Step Solution
- Step 1: Write the proportion equation
131,495,541.70 : 197,243,312.55 = 54,873,559.30 : x - Step 2: Convert to fraction form
131,495,541.70/197,243,312.55 = 54,873,559.30/x - Step 3: Cross multiply
131,495,541.70x = 197,243,312.55 × 54,873,559.30 - Step 4: Simplify right side
131,495,541.70x = 10,823,442,607,740,860 - Step 5: Solve for x
x = 10,823,442,607,740,860/131,495,541.70 - Step 6: Final answer
x = 82,310,338.95
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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.