Finding the Fourth Proportional to 197,873,467.88, 296,812,113.42 and 75,018,746.12
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Solution
The fourth proportional to 197,873,467.88, 296,812,113.42 and 75,018,746.12 is: 112,528,843.92
Step by Step Solution
- Step 1: Write the proportion equation
197,873,467.88 : 296,812,113.42 = 75,018,746.12 : x - Step 2: Convert to fraction form
197,873,467.88/296,812,113.42 = 75,018,746.12/x - Step 3: Cross multiply
197,873,467.88x = 296,812,113.42 × 75,018,746.12 - Step 4: Simplify right side
197,873,467.88x = 22,266,472,581,995,628 - Step 5: Solve for x
x = 22,266,472,581,995,628/197,873,467.88 - Step 6: Final answer
x = 112,528,843.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.