Finding the Fourth Proportional to 68,367,841.36, 94,356,602.28 and 38,992,440.04
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Solution
The fourth proportional to 68,367,841.36, 94,356,602.28 and 38,992,440.04 is: 53,814,689.53
Step by Step Solution
- Step 1: Write the proportion equation
68,367,841.36 : 94,356,602.28 = 38,992,440.04 : x - Step 2: Convert to fraction form
68,367,841.36/94,356,602.28 = 38,992,440.04/x - Step 3: Cross multiply
68,367,841.36x = 94,356,602.28 × 38,992,440.04 - Step 4: Simplify right side
68,367,841.36x = 3,679,194,156,781,027.50 - Step 5: Solve for x
x = 3,679,194,156,781,027.50/68,367,841.36 - Step 6: Final answer
x = 53,814,689.53
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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.