Finding the Fourth Proportional to 83,929,511.40, 125,894,267.10 and 49,833,306.60
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Solution
The fourth proportional to 83,929,511.40, 125,894,267.10 and 49,833,306.60 is: 74,749,959.90
Step by Step Solution
- Step 1: Write the proportion equation
83,929,511.40 : 125,894,267.10 = 49,833,306.60 : x - Step 2: Convert to fraction form
83,929,511.40/125,894,267.10 = 49,833,306.60/x - Step 3: Cross multiply
83,929,511.40x = 125,894,267.10 × 49,833,306.60 - Step 4: Simplify right side
83,929,511.40x = 6,273,727,611,576,593 - Step 5: Solve for x
x = 6,273,727,611,576,593/83,929,511.40 - Step 6: Final answer
x = 74,749,959.90
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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.