Finding the Fourth Proportional to 229,908,541.41, 317,688,806.66 and 163,714,118.82
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Solution
The fourth proportional to 229,908,541.41, 317,688,806.66 and 163,714,118.82 is: 226,221,012.59
Step by Step Solution
- Step 1: Write the proportion equation
229,908,541.41 : 317,688,806.66 = 163,714,118.82 : x - Step 2: Convert to fraction form
229,908,541.41/317,688,806.66 = 163,714,118.82/x - Step 3: Cross multiply
229,908,541.41x = 317,688,806.66 × 163,714,118.82 - Step 4: Simplify right side
229,908,541.41x = 52,010,143,040,934,312 - Step 5: Solve for x
x = 52,010,143,040,934,312/229,908,541.41 - Step 6: Final answer
x = 226,221,012.59
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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.