Finding the Fourth Proportional to 55,601,432.97, 76,730,601.65 and 31,762,217.31
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Solution
The fourth proportional to 55,601,432.97, 76,730,601.65 and 31,762,217.31 is: 43,832,216.44
Step by Step Solution
- Step 1: Write the proportion equation
55,601,432.97 : 76,730,601.65 = 31,762,217.31 : x - Step 2: Convert to fraction form
55,601,432.97/76,730,601.65 = 31,762,217.31/x - Step 3: Cross multiply
55,601,432.97x = 76,730,601.65 × 31,762,217.31 - Step 4: Simplify right side
55,601,432.97x = 2,437,134,044,403,147.50 - Step 5: Solve for x
x = 2,437,134,044,403,147.50/55,601,432.97 - Step 6: Final answer
x = 43,832,216.44
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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.