Finding the Fourth Proportional to 211,028,276.41, 291,235,177.25 and 132,778,903.57
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Solution
The fourth proportional to 211,028,276.41, 291,235,177.25 and 132,778,903.57 is: 183,245,052.15
Step by Step Solution
- Step 1: Write the proportion equation
211,028,276.41 : 291,235,177.25 = 132,778,903.57 : x - Step 2: Convert to fraction form
211,028,276.41/291,235,177.25 = 132,778,903.57/x - Step 3: Cross multiply
211,028,276.41x = 291,235,177.25 × 132,778,903.57 - Step 4: Simplify right side
211,028,276.41x = 38,669,887,516,269,608 - Step 5: Solve for x
x = 38,669,887,516,269,608/211,028,276.41 - Step 6: Final answer
x = 183,245,052.15
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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.