Finding the Fourth Proportional to 69,140,990.92, 95,416,492.26 and 38,203,153.96
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Solution
The fourth proportional to 69,140,990.92, 95,416,492.26 and 38,203,153.96 is: 52,721,415.99
Step by Step Solution
- Step 1: Write the proportion equation
69,140,990.92 : 95,416,492.26 = 38,203,153.96 : x - Step 2: Convert to fraction form
69,140,990.92/95,416,492.26 = 38,203,153.96/x - Step 3: Cross multiply
69,140,990.92x = 95,416,492.26 × 38,203,153.96 - Step 4: Simplify right side
69,140,990.92x = 3,645,210,944,131,928.50 - Step 5: Solve for x
x = 3,645,210,944,131,928.50/69,140,990.92 - Step 6: Final answer
x = 52,721,415.99
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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.