Finding the Fourth Proportional to 163,815,317.08, 226,063,648.98 and 89,475,861.88
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Solution
The fourth proportional to 163,815,317.08, 226,063,648.98 and 89,475,861.88 is: 123,475,876.33
Step by Step Solution
- Step 1: Write the proportion equation
163,815,317.08 : 226,063,648.98 = 89,475,861.88 : x - Step 2: Convert to fraction form
163,815,317.08/226,063,648.98 = 89,475,861.88/x - Step 3: Cross multiply
163,815,317.08x = 226,063,648.98 × 89,475,861.88 - Step 4: Simplify right side
163,815,317.08x = 20,227,239,832,223,280 - Step 5: Solve for x
x = 20,227,239,832,223,280/163,815,317.08 - Step 6: Final answer
x = 123,475,876.33
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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.