Finding the Fourth Proportional to 98,520,341,743.23, 147,700,985,382.81 and 90,568,042,419.99
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Solution
The fourth proportional to 98,520,341,743.23, 147,700,985,382.81 and 90,568,042,419.99 is: 135,778,955,624.10
Step by Step Solution
- Step 1: Write the proportion equation
98,520,341,743.23 : 147,700,985,382.81 = 90,568,042,419.99 : x - Step 2: Convert to fraction form
98,520,341,743.23/147,700,985,382.81 = 90,568,042,419.99/x - Step 3: Cross multiply
98,520,341,743.23x = 147,700,985,382.81 × 90,568,042,419.99 - Step 4: Simplify right side
98,520,341,743.23x = 13,376,989,109,624,659,509,248 - Step 5: Solve for x
x = 13,376,989,109,624,659,509,248/98,520,341,743.23 - Step 6: Final answer
x = 135,778,955,624.10
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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.