Finding the Fourth Proportional to 84,251,143.80, 118,110,853.80 and 84,251,143.80
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Solution
The fourth proportional to 84,251,143.80, 118,110,853.80 and 84,251,143.80 is: 118,110,853.80
Step by Step Solution
- Step 1: Write the proportion equation
84,251,143.80 : 118,110,853.80 = 84,251,143.80 : x - Step 2: Convert to fraction form
84,251,143.80/118,110,853.80 = 84,251,143.80/x - Step 3: Cross multiply
84,251,143.80x = 118,110,853.80 × 84,251,143.80 - Step 4: Simplify right side
84,251,143.80x = 9,950,974,527,844,576 - Step 5: Solve for x
x = 9,950,974,527,844,576/84,251,143.80 - Step 6: Final answer
x = 118,110,853.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.