Finding the Fourth Proportional to 55,414,276.80, 83,122,840.80 and 26,261,275.20
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Solution
The fourth proportional to 55,414,276.80, 83,122,840.80 and 26,261,275.20 is: 39,392,588.40
Step by Step Solution
- Step 1: Write the proportion equation
55,414,276.80 : 83,122,840.80 = 26,261,275.20 : x - Step 2: Convert to fraction form
55,414,276.80/83,122,840.80 = 26,261,275.20/x - Step 3: Cross multiply
55,414,276.80x = 83,122,840.80 × 26,261,275.20 - Step 4: Simplify right side
55,414,276.80x = 2,182,911,797,654,588 - Step 5: Solve for x
x = 2,182,911,797,654,588/55,414,276.80 - Step 6: Final answer
x = 39,392,588.40
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1.5x scale
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.