Finding the Fourth Proportional to 102,629,587.44, 141,628,857.30 and 56,221,491.36
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Solution
The fourth proportional to 102,629,587.44, 141,628,857.30 and 56,221,491.36 is: 77,585,672.67
Step by Step Solution
- Step 1: Write the proportion equation
102,629,587.44 : 141,628,857.30 = 56,221,491.36 : x - Step 2: Convert to fraction form
102,629,587.44/141,628,857.30 = 56,221,491.36/x - Step 3: Cross multiply
102,629,587.44x = 141,628,857.30 × 56,221,491.36 - Step 4: Simplify right side
102,629,587.44x = 7,962,585,577,018,624 - Step 5: Solve for x
x = 7,962,585,577,018,624/102,629,587.44 - Step 6: Final answer
x = 77,585,672.67
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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.