Finding the Fourth Proportional to 49,927,281.21, 68,899,741.43 and 27,900,780.66
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Solution
The fourth proportional to 49,927,281.21, 68,899,741.43 and 27,900,780.66 is: 38,503,129.48
Step by Step Solution
- Step 1: Write the proportion equation
49,927,281.21 : 68,899,741.43 = 27,900,780.66 : x - Step 2: Convert to fraction form
49,927,281.21/68,899,741.43 = 27,900,780.66/x - Step 3: Cross multiply
49,927,281.21x = 68,899,741.43 × 27,900,780.66 - Step 4: Simplify right side
49,927,281.21x = 1,922,356,573,169,145 - Step 5: Solve for x
x = 1,922,356,573,169,145/49,927,281.21 - Step 6: Final answer
x = 38,503,129.48
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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.