Finding the Fourth Proportional to 163,630,774.76, 225,815,260.57 and 89,296,125.17
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Solution
The fourth proportional to 163,630,774.76, 225,815,260.57 and 89,296,125.17 is: 123,231,267.48
Step by Step Solution
- Step 1: Write the proportion equation
163,630,774.76 : 225,815,260.57 = 89,296,125.17 : x - Step 2: Convert to fraction form
163,630,774.76/225,815,260.57 = 89,296,125.17/x - Step 3: Cross multiply
163,630,774.76x = 225,815,260.57 × 89,296,125.17 - Step 4: Simplify right side
163,630,774.76x = 20,164,427,771,802,568 - Step 5: Solve for x
x = 20,164,427,771,802,568/163,630,774.76 - Step 6: Final answer
x = 123,231,267.48
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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.