Finding the Fourth Proportional to 117,958,743.74, 176,937,963.33 and 31,697,151.62
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Solution
The fourth proportional to 117,958,743.74, 176,937,963.33 and 31,697,151.62 is: 47,545,686.50
Step by Step Solution
- Step 1: Write the proportion equation
117,958,743.74 : 176,937,963.33 = 31,697,151.62 : x - Step 2: Convert to fraction form
117,958,743.74/176,937,963.33 = 31,697,151.62/x - Step 3: Cross multiply
117,958,743.74x = 176,937,963.33 × 31,697,151.62 - Step 4: Simplify right side
117,958,743.74x = 5,608,429,450,239,185 - Step 5: Solve for x
x = 5,608,429,450,239,185/117,958,743.74 - Step 6: Final answer
x = 47,545,686.50
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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.