Finding the Fourth Proportional to 102,153,414.96, 140,974,703.50 and 55,746,660.06
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Solution
The fourth proportional to 102,153,414.96, 140,974,703.50 and 55,746,660.06 is: 76,932,023.04
Step by Step Solution
- Step 1: Write the proportion equation
102,153,414.96 : 140,974,703.50 = 55,746,660.06 : x - Step 2: Convert to fraction form
102,153,414.96/140,974,703.50 = 55,746,660.06/x - Step 3: Cross multiply
102,153,414.96x = 140,974,703.50 × 55,746,660.06 - Step 4: Simplify right side
102,153,414.96x = 7,858,868,873,073,793 - Step 5: Solve for x
x = 7,858,868,873,073,793/102,153,414.96 - Step 6: Final answer
x = 76,932,023.04
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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.