Finding the Fourth Proportional to 67,416,905.20, 100,983,640.20 and 56,079,497.20
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Solution
The fourth proportional to 67,416,905.20, 100,983,640.20 and 56,079,497.20 is: 84,001,360.65
Step by Step Solution
- Step 1: Write the proportion equation
67,416,905.20 : 100,983,640.20 = 56,079,497.20 : x - Step 2: Convert to fraction form
67,416,905.20/100,983,640.20 = 56,079,497.20/x - Step 3: Cross multiply
67,416,905.20x = 100,983,640.20 × 56,079,497.20 - Step 4: Simplify right side
67,416,905.20x = 5,663,111,767,841,708 - Step 5: Solve for x
x = 5,663,111,767,841,708/67,416,905.20 - Step 6: Final answer
x = 84,001,360.65
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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.