Finding the Fourth Proportional to 219,129,929.20, 328,670,010.60 and 57,588,194.80
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Solution
The fourth proportional to 219,129,929.20, 328,670,010.60 and 57,588,194.80 is: 86,375,752.80
Step by Step Solution
- Step 1: Write the proportion equation
219,129,929.20 : 328,670,010.60 = 57,588,194.80 : x - Step 2: Convert to fraction form
219,129,929.20/328,670,010.60 = 57,588,194.80/x - Step 3: Cross multiply
219,129,929.20x = 328,670,010.60 × 57,588,194.80 - Step 4: Simplify right side
219,129,929.20x = 18,927,512,595,350,864 - Step 5: Solve for x
x = 18,927,512,595,350,864/219,129,929.20 - Step 6: Final answer
x = 86,375,752.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.