Finding the Fourth Proportional to 161,569,909.80, 242,331,245.10 and 46,542,457.80
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Solution
The fourth proportional to 161,569,909.80, 242,331,245.10 and 46,542,457.80 is: 69,806,882.75
Step by Step Solution
- Step 1: Write the proportion equation
161,569,909.80 : 242,331,245.10 = 46,542,457.80 : x - Step 2: Convert to fraction form
161,569,909.80/242,331,245.10 = 46,542,457.80/x - Step 3: Cross multiply
161,569,909.80x = 242,331,245.10 × 46,542,457.80 - Step 4: Simplify right side
161,569,909.80x = 11,278,691,748,688,206 - Step 5: Solve for x
x = 11,278,691,748,688,206/161,569,909.80 - Step 6: Final answer
x = 69,806,882.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.