Finding the Fourth Proportional to 162,249,806.43, 223,915,718.18 and 91,660,934.07
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Solution
The fourth proportional to 162,249,806.43, 223,915,718.18 and 91,660,934.07 is: 126,498,295.03
Step by Step Solution
- Step 1: Write the proportion equation
162,249,806.43 : 223,915,718.18 = 91,660,934.07 : x - Step 2: Convert to fraction form
162,249,806.43/223,915,718.18 = 91,660,934.07/x - Step 3: Cross multiply
162,249,806.43x = 223,915,718.18 × 91,660,934.07 - Step 4: Simplify right side
162,249,806.43x = 20,524,323,881,562,832 - Step 5: Solve for x
x = 20,524,323,881,562,832/162,249,806.43 - Step 6: Final answer
x = 126,498,295.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.