Finding the Fourth Proportional to 216,483,454.47, 324,725,175.43 and 99,864,306.60
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Solution
The fourth proportional to 216,483,454.47, 324,725,175.43 and 99,864,306.60 is: 149,796,457.00
Step by Step Solution
- Step 1: Write the proportion equation
216,483,454.47 : 324,725,175.43 = 99,864,306.60 : x - Step 2: Convert to fraction form
216,483,454.47/324,725,175.43 = 99,864,306.60/x - Step 3: Cross multiply
216,483,454.47x = 324,725,175.43 × 99,864,306.60 - Step 4: Simplify right side
216,483,454.47x = 32,428,454,479,630,644 - Step 5: Solve for x
x = 32,428,454,479,630,644/216,483,454.47 - Step 6: Final answer
x = 149,796,457.00
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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.