Finding the Fourth Proportional to 70,763,519.70, 106,185,728.12 and 38,418,052.14
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Solution
The fourth proportional to 70,763,519.70, 106,185,728.12 and 38,418,052.14 is: 57,649,038.04
Step by Step Solution
- Step 1: Write the proportion equation
70,763,519.70 : 106,185,728.12 = 38,418,052.14 : x - Step 2: Convert to fraction form
70,763,519.70/106,185,728.12 = 38,418,052.14/x - Step 3: Cross multiply
70,763,519.70x = 106,185,728.12 × 38,418,052.14 - Step 4: Simplify right side
70,763,519.70x = 4,079,448,839,245,934 - Step 5: Solve for x
x = 4,079,448,839,245,934/70,763,519.70 - Step 6: Final answer
x = 57,649,038.04
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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.