Finding the Fourth Proportional to 136,851,309.74, 205,259,840.13 and 44,727,345.74
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Solution
The fourth proportional to 136,851,309.74, 205,259,840.13 and 44,727,345.74 is: 67,085,421.79
Step by Step Solution
- Step 1: Write the proportion equation
136,851,309.74 : 205,259,840.13 = 44,727,345.74 : x - Step 2: Convert to fraction form
136,851,309.74/205,259,840.13 = 44,727,345.74/x - Step 3: Cross multiply
136,851,309.74x = 205,259,840.13 × 44,727,345.74 - Step 4: Simplify right side
136,851,309.74x = 9,180,727,836,031,636 - Step 5: Solve for x
x = 9,180,727,836,031,636/136,851,309.74 - Step 6: Final answer
x = 67,085,421.79
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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.