Finding the Fourth Proportional to 134,764,543.57, 185,975,070.42 and 72,884,882.13
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Solution
The fourth proportional to 134,764,543.57, 185,975,070.42 and 72,884,882.13 is: 100,581,137.50
Step by Step Solution
- Step 1: Write the proportion equation
134,764,543.57 : 185,975,070.42 = 72,884,882.13 : x - Step 2: Convert to fraction form
134,764,543.57/185,975,070.42 = 72,884,882.13/x - Step 3: Cross multiply
134,764,543.57x = 185,975,070.42 × 72,884,882.13 - Step 4: Simplify right side
134,764,543.57x = 13,554,771,086,680,148 - Step 5: Solve for x
x = 13,554,771,086,680,148/134,764,543.57 - Step 6: Final answer
x = 100,581,137.50
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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.