Finding the Fourth Proportional to 84,911,589.70, 127,367,384.55 and 84,911,589.70
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Solution
The fourth proportional to 84,911,589.70, 127,367,384.55 and 84,911,589.70 is: 127,367,384.55
Step by Step Solution
- Step 1: Write the proportion equation
84,911,589.70 : 127,367,384.55 = 84,911,589.70 : x - Step 2: Convert to fraction form
84,911,589.70/127,367,384.55 = 84,911,589.70/x - Step 3: Cross multiply
84,911,589.70x = 127,367,384.55 × 84,911,589.70 - Step 4: Simplify right side
84,911,589.70x = 10,814,967,098,071,720 - Step 5: Solve for x
x = 10,814,967,098,071,720/84,911,589.70 - Step 6: Final answer
x = 127,367,384.55
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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.