Finding the Fourth Proportional to 55,146,695.68, 76,102,440.04 and 30,366,823.48
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Solution
The fourth proportional to 55,146,695.68, 76,102,440.04 and 30,366,823.48 is: 41,906,216.40
Step by Step Solution
- Step 1: Write the proportion equation
55,146,695.68 : 76,102,440.04 = 30,366,823.48 : x - Step 2: Convert to fraction form
55,146,695.68/76,102,440.04 = 30,366,823.48/x - Step 3: Cross multiply
55,146,695.68x = 76,102,440.04 × 30,366,823.48 - Step 4: Simplify right side
55,146,695.68x = 2,310,989,363,091,964.50 - Step 5: Solve for x
x = 2,310,989,363,091,964.50/55,146,695.68 - Step 6: Final answer
x = 41,906,216.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.