Finding the Fourth Proportional to 127,933,491.84, 176,552,391.36 and 69,986,739.84
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Solution
The fourth proportional to 127,933,491.84, 176,552,391.36 and 69,986,739.84 is: 96,583,983.63
Step by Step Solution
- Step 1: Write the proportion equation
127,933,491.84 : 176,552,391.36 = 69,986,739.84 : x - Step 2: Convert to fraction form
127,933,491.84/176,552,391.36 = 69,986,739.84/x - Step 3: Cross multiply
127,933,491.84x = 176,552,391.36 × 69,986,739.84 - Step 4: Simplify right side
127,933,491.84x = 12,356,326,282,242,186 - Step 5: Solve for x
x = 12,356,326,282,242,186/127,933,491.84 - Step 6: Final answer
x = 96,583,983.63
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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.