Finding the Fourth Proportional to 218,581,634.40, 327,873,860.91 and 87,434,866.14
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Solution
The fourth proportional to 218,581,634.40, 327,873,860.91 and 87,434,866.14 is: 131,152,862.95
Step by Step Solution
- Step 1: Write the proportion equation
218,581,634.40 : 327,873,860.91 = 87,434,866.14 : x - Step 2: Convert to fraction form
218,581,634.40/327,873,860.91 = 87,434,866.14/x - Step 3: Cross multiply
218,581,634.40x = 327,873,860.91 × 87,434,866.14 - Step 4: Simplify right side
218,581,634.40x = 28,667,607,139,470,832 - Step 5: Solve for x
x = 28,667,607,139,470,832/218,581,634.40 - Step 6: Final answer
x = 131,152,862.95
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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.