Finding the Fourth Proportional to 112,293,350.70, 168,440,026.05 and 54,756,005.10
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Solution
The fourth proportional to 112,293,350.70, 168,440,026.05 and 54,756,005.10 is: 82,134,007.65
Step by Step Solution
- Step 1: Write the proportion equation
112,293,350.70 : 168,440,026.05 = 54,756,005.10 : x - Step 2: Convert to fraction form
112,293,350.70/168,440,026.05 = 54,756,005.10/x - Step 3: Cross multiply
112,293,350.70x = 168,440,026.05 × 54,756,005.10 - Step 4: Simplify right side
112,293,350.70x = 9,223,102,925,437,934 - Step 5: Solve for x
x = 9,223,102,925,437,934/112,293,350.70 - Step 6: Final answer
x = 82,134,007.65
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1.5x scale
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.