Finding the Fourth Proportional to 117,417,231.20, 176,125,846.80 and 31,155,471.20
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Solution
The fourth proportional to 117,417,231.20, 176,125,846.80 and 31,155,471.20 is: 46,733,206.80
Step by Step Solution
- Step 1: Write the proportion equation
117,417,231.20 : 176,125,846.80 = 31,155,471.20 : x - Step 2: Convert to fraction form
117,417,231.20/176,125,846.80 = 31,155,471.20/x - Step 3: Cross multiply
117,417,231.20x = 176,125,846.80 × 31,155,471.20 - Step 4: Simplify right side
117,417,231.20x = 5,487,283,747,553,012 - Step 5: Solve for x
x = 5,487,283,747,553,012/117,417,231.20 - Step 6: Final answer
x = 46,733,206.80
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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.