Finding the Fourth Proportional to 131,495,628.46, 197,243,442.70 and 54,873,646.06
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Solution
The fourth proportional to 131,495,628.46, 197,243,442.70 and 54,873,646.06 is: 82,310,469.09
Step by Step Solution
- Step 1: Write the proportion equation
131,495,628.46 : 197,243,442.70 = 54,873,646.06 : x - Step 2: Convert to fraction form
131,495,628.46/197,243,442.70 = 54,873,646.06/x - Step 3: Cross multiply
131,495,628.46x = 197,243,442.70 × 54,873,646.06 - Step 4: Simplify right side
131,495,628.46x = 10,823,466,862,375,690 - Step 5: Solve for x
x = 10,823,466,862,375,690/131,495,628.46 - Step 6: Final answer
x = 82,310,469.09
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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.