Finding the Fourth Proportional to 261,044,438.95, 391,560,970.20 and 122,793,415.80
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Solution
The fourth proportional to 261,044,438.95, 391,560,970.20 and 122,793,415.80 is: 184,187,448.00
Step by Step Solution
- Step 1: Write the proportion equation
261,044,438.95 : 391,560,970.20 = 122,793,415.80 : x - Step 2: Convert to fraction form
261,044,438.95/391,560,970.20 = 122,793,415.80/x - Step 3: Cross multiply
261,044,438.95x = 391,560,970.20 × 122,793,415.80 - Step 4: Simplify right side
261,044,438.95x = 48,081,109,024,820,008 - Step 5: Solve for x
x = 48,081,109,024,820,008/261,044,438.95 - Step 6: Final answer
x = 184,187,448.00
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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.