Finding the Fourth Proportional to 65,712,873.70, 98,569,310.55 and 48,706,761.70
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Solution
The fourth proportional to 65,712,873.70, 98,569,310.55 and 48,706,761.70 is: 73,060,142.55
Step by Step Solution
- Step 1: Write the proportion equation
65,712,873.70 : 98,569,310.55 = 48,706,761.70 : x - Step 2: Convert to fraction form
65,712,873.70/98,569,310.55 = 48,706,761.70/x - Step 3: Cross multiply
65,712,873.70x = 98,569,310.55 × 48,706,761.70 - Step 4: Simplify right side
65,712,873.70x = 4,800,991,919,892,146 - Step 5: Solve for x
x = 4,800,991,919,892,146/65,712,873.70 - Step 6: Final answer
x = 73,060,142.55
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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.