Finding the Fourth Proportional to 115,195,349.28, 158,969,597.04 and 62,984,421.12
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Solution
The fourth proportional to 115,195,349.28, 158,969,597.04 and 62,984,421.12 is: 86,918,509.37
Step by Step Solution
- Step 1: Write the proportion equation
115,195,349.28 : 158,969,597.04 = 62,984,421.12 : x - Step 2: Convert to fraction form
115,195,349.28/158,969,597.04 = 62,984,421.12/x - Step 3: Cross multiply
115,195,349.28x = 158,969,597.04 × 62,984,421.12 - Step 4: Simplify right side
115,195,349.28x = 10,012,608,045,244,064 - Step 5: Solve for x
x = 10,012,608,045,244,064/115,195,349.28 - Step 6: Final answer
x = 86,918,509.37
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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.