Finding the Fourth Proportional to 124,845,613.80, 187,268,420.70 and 109,729,069.80
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Solution
The fourth proportional to 124,845,613.80, 187,268,420.70 and 109,729,069.80 is: 164,593,604.70
Step by Step Solution
- Step 1: Write the proportion equation
124,845,613.80 : 187,268,420.70 = 109,729,069.80 : x - Step 2: Convert to fraction form
124,845,613.80/187,268,420.70 = 109,729,069.80/x - Step 3: Cross multiply
124,845,613.80x = 187,268,420.70 × 109,729,069.80 - Step 4: Simplify right side
124,845,613.80x = 20,548,789,606,326,064 - Step 5: Solve for x
x = 20,548,789,606,326,064/124,845,613.80 - Step 6: Final answer
x = 164,593,604.70
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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.