Finding the Fourth Proportional to 189,918,177.10, 266,490,109.70 and 189,918,177.10
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Solution
The fourth proportional to 189,918,177.10, 266,490,109.70 and 189,918,177.10 is: 266,490,109.70
Step by Step Solution
- Step 1: Write the proportion equation
189,918,177.10 : 266,490,109.70 = 189,918,177.10 : x - Step 2: Convert to fraction form
189,918,177.10/266,490,109.70 = 189,918,177.10/x - Step 3: Cross multiply
189,918,177.10x = 266,490,109.70 × 189,918,177.10 - Step 4: Simplify right side
189,918,177.10x = 50,611,315,849,403,024 - Step 5: Solve for x
x = 50,611,315,849,403,024/189,918,177.10 - Step 6: Final answer
x = 266,490,109.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.