Finding the Fourth Proportional to 155,390,446.08, 214,443,890.94 and 84,829,818.66
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Solution
The fourth proportional to 155,390,446.08, 214,443,890.94 and 84,829,818.66 is: 117,067,920.46
Step by Step Solution
- Step 1: Write the proportion equation
155,390,446.08 : 214,443,890.94 = 84,829,818.66 : x - Step 2: Convert to fraction form
155,390,446.08/214,443,890.94 = 84,829,818.66/x - Step 3: Cross multiply
155,390,446.08x = 214,443,890.94 × 84,829,818.66 - Step 4: Simplify right side
155,390,446.08x = 18,191,236,381,185,016 - Step 5: Solve for x
x = 18,191,236,381,185,016/155,390,446.08 - Step 6: Final answer
x = 117,067,920.46
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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.