Finding the Fourth Proportional to 108,872,883.30, 163,309,324.95 and 72,593,177.70
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Solution
The fourth proportional to 108,872,883.30, 163,309,324.95 and 72,593,177.70 is: 108,889,766.55
Step by Step Solution
- Step 1: Write the proportion equation
108,872,883.30 : 163,309,324.95 = 72,593,177.70 : x - Step 2: Convert to fraction form
108,872,883.30/163,309,324.95 = 72,593,177.70/x - Step 3: Cross multiply
108,872,883.30x = 163,309,324.95 × 72,593,177.70 - Step 4: Simplify right side
108,872,883.30x = 11,855,142,846,162,394 - Step 5: Solve for x
x = 11,855,142,846,162,394/108,872,883.30 - Step 6: Final answer
x = 108,889,766.55
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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.