Finding the Fourth Proportional to 174,537,901.71, 240,884,107.88 and 100,221,717.15
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Solution
The fourth proportional to 174,537,901.71, 240,884,107.88 and 100,221,717.15 is: 138,318,489.50
Step by Step Solution
- Step 1: Write the proportion equation
174,537,901.71 : 240,884,107.88 = 100,221,717.15 : x - Step 2: Convert to fraction form
174,537,901.71/240,884,107.88 = 100,221,717.15/x - Step 3: Cross multiply
174,537,901.71x = 240,884,107.88 × 100,221,717.15 - Step 4: Simplify right side
174,537,901.71x = 24,141,818,925,378,340 - Step 5: Solve for x
x = 24,141,818,925,378,340/174,537,901.71 - Step 6: Final answer
x = 138,318,489.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.