Finding the Fourth Proportional to 54,642,744.90, 81,964,117.35 and 27,432,965.70
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Solution
The fourth proportional to 54,642,744.90, 81,964,117.35 and 27,432,965.70 is: 41,149,448.55
Step by Step Solution
- Step 1: Write the proportion equation
54,642,744.90 : 81,964,117.35 = 27,432,965.70 : x - Step 2: Convert to fraction form
54,642,744.90/81,964,117.35 = 27,432,965.70/x - Step 3: Cross multiply
54,642,744.90x = 81,964,117.35 × 27,432,965.70 - Step 4: Simplify right side
54,642,744.90x = 2,248,518,819,893,324.75 - Step 5: Solve for x
x = 2,248,518,819,893,324.75/54,642,744.90 - Step 6: Final answer
x = 41,149,448.55
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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.