Finding the Fourth Proportional to 160,381,494.96, 221,326,553.64 and 87,042,636.96
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Solution
The fourth proportional to 160,381,494.96, 221,326,553.64 and 87,042,636.96 is: 120,118,888.17
Step by Step Solution
- Step 1: Write the proportion equation
160,381,494.96 : 221,326,553.64 = 87,042,636.96 : x - Step 2: Convert to fraction form
160,381,494.96/221,326,553.64 = 87,042,636.96/x - Step 3: Cross multiply
160,381,494.96x = 221,326,553.64 × 87,042,636.96 - Step 4: Simplify right side
160,381,494.96x = 19,264,846,858,094,484 - Step 5: Solve for x
x = 19,264,846,858,094,484/160,381,494.96 - Step 6: Final answer
x = 120,118,888.17
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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.