Finding the Fourth Proportional to 286,542,107.11, 395,429,446.91 and 162,789,574.87
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Solution
The fourth proportional to 286,542,107.11, 395,429,446.91 and 162,789,574.87 is: 224,650,374.08
Step by Step Solution
- Step 1: Write the proportion equation
286,542,107.11 : 395,429,446.91 = 162,789,574.87 : x - Step 2: Convert to fraction form
286,542,107.11/395,429,446.91 = 162,789,574.87/x - Step 3: Cross multiply
286,542,107.11x = 395,429,446.91 × 162,789,574.87 - Step 4: Simplify right side
286,542,107.11x = 64,371,791,550,767,040 - Step 5: Solve for x
x = 64,371,791,550,767,040/286,542,107.11 - Step 6: Final answer
x = 224,650,374.08
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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.