Finding the Fourth Proportional to 229,869,633.09, 317,226,818.93 and 125,454,401.49
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Solution
The fourth proportional to 229,869,633.09, 317,226,818.93 and 125,454,401.49 is: 173,130,744.46
Step by Step Solution
- Step 1: Write the proportion equation
229,869,633.09 : 317,226,818.93 = 125,454,401.49 : x - Step 2: Convert to fraction form
229,869,633.09/317,226,818.93 = 125,454,401.49/x - Step 3: Cross multiply
229,869,633.09x = 317,226,818.93 × 125,454,401.49 - Step 4: Simplify right side
229,869,633.09x = 39,797,500,704,812,480 - Step 5: Solve for x
x = 39,797,500,704,812,480/229,869,633.09 - Step 6: Final answer
x = 173,130,744.46
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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.