Finding the Fourth Proportional to 157,278,325.74, 235,917,285.57 and 42,262,869.57
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Solution
The fourth proportional to 157,278,325.74, 235,917,285.57 and 42,262,869.57 is: 63,394,249.80
Step by Step Solution
- Step 1: Write the proportion equation
157,278,325.74 : 235,917,285.57 = 42,262,869.57 : x - Step 2: Convert to fraction form
157,278,325.74/235,917,285.57 = 42,262,869.57/x - Step 3: Cross multiply
157,278,325.74x = 235,917,285.57 × 42,262,869.57 - Step 4: Simplify right side
157,278,325.74x = 9,970,541,469,353,352 - Step 5: Solve for x
x = 9,970,541,469,353,352/157,278,325.74 - Step 6: Final answer
x = 63,394,249.80
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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.