Finding the Fourth Proportional to 163,295,609.68, 225,347,842.13 and 89,956,751.68
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Solution
The fourth proportional to 163,295,609.68, 225,347,842.13 and 89,956,751.68 is: 124,140,262.65
Step by Step Solution
- Step 1: Write the proportion equation
163,295,609.68 : 225,347,842.13 = 89,956,751.68 : x - Step 2: Convert to fraction form
163,295,609.68/225,347,842.13 = 89,956,751.68/x - Step 3: Cross multiply
163,295,609.68x = 225,347,842.13 × 89,956,751.68 - Step 4: Simplify right side
163,295,609.68x = 20,271,559,875,944,156 - Step 5: Solve for x
x = 20,271,559,875,944,156/163,295,609.68 - Step 6: Final answer
x = 124,140,262.65
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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.