Finding the Fourth Proportional to 106,145,281.05, 159,278,594.43 and 57,627,079.71
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Solution
The fourth proportional to 106,145,281.05, 159,278,594.43 and 57,627,079.71 is: 86,473,559.32
Step by Step Solution
- Step 1: Write the proportion equation
106,145,281.05 : 159,278,594.43 = 57,627,079.71 : x - Step 2: Convert to fraction form
106,145,281.05/159,278,594.43 = 57,627,079.71/x - Step 3: Cross multiply
106,145,281.05x = 159,278,594.43 × 57,627,079.71 - Step 4: Simplify right side
106,145,281.05x = 9,178,760,257,314,372 - Step 5: Solve for x
x = 9,178,760,257,314,372/106,145,281.05 - Step 6: Final answer
x = 86,473,559.32
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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.