Finding the Fourth Proportional to 155,309,593.66, 214,331,725.29 and 85,699,457.26
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Solution
The fourth proportional to 155,309,593.66, 214,331,725.29 and 85,699,457.26 is: 118,267,726.40
Step by Step Solution
- Step 1: Write the proportion equation
155,309,593.66 : 214,331,725.29 = 85,699,457.26 : x - Step 2: Convert to fraction form
155,309,593.66/214,331,725.29 = 85,699,457.26/x - Step 3: Cross multiply
155,309,593.66x = 214,331,725.29 × 85,699,457.26 - Step 4: Simplify right side
155,309,593.66x = 18,368,112,530,952,416 - Step 5: Solve for x
x = 18,368,112,530,952,416/155,309,593.66 - Step 6: Final answer
x = 118,267,726.40
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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.