Finding the Fourth Proportional to 83,328,601.18, 115,033,344.76 and 55,497,626.50
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Solution
The fourth proportional to 83,328,601.18, 115,033,344.76 and 55,497,626.50 is: 76,613,281.78
Step by Step Solution
- Step 1: Write the proportion equation
83,328,601.18 : 115,033,344.76 = 55,497,626.50 : x - Step 2: Convert to fraction form
83,328,601.18/115,033,344.76 = 55,497,626.50/x - Step 3: Cross multiply
83,328,601.18x = 115,033,344.76 × 55,497,626.50 - Step 4: Simplify right side
83,328,601.18x = 6,384,077,602,536,212 - Step 5: Solve for x
x = 6,384,077,602,536,212/83,328,601.18 - Step 6: Final answer
x = 76,613,281.78
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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.