Finding the Fourth Proportional to 214,779,944.70, 296,386,766.88 and 125,480,169.68
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Solution
The fourth proportional to 214,779,944.70, 296,386,766.88 and 125,480,169.68 is: 173,157,050.82
Step by Step Solution
- Step 1: Write the proportion equation
214,779,944.70 : 296,386,766.88 = 125,480,169.68 : x - Step 2: Convert to fraction form
214,779,944.70/296,386,766.88 = 125,480,169.68/x - Step 3: Cross multiply
214,779,944.70x = 296,386,766.88 × 125,480,169.68 - Step 4: Simplify right side
214,779,944.70x = 37,190,661,798,715,912 - Step 5: Solve for x
x = 37,190,661,798,715,912/214,779,944.70 - Step 6: Final answer
x = 173,157,050.82
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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.