Finding the Fourth Proportional to 167,470,479.99, 251,205,785.60 and 52,463,957.58
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Solution
The fourth proportional to 167,470,479.99, 251,205,785.60 and 52,463,957.58 is: 78,695,956.92
Step by Step Solution
- Step 1: Write the proportion equation
167,470,479.99 : 251,205,785.60 = 52,463,957.58 : x - Step 2: Convert to fraction form
167,470,479.99/251,205,785.60 = 52,463,957.58/x - Step 3: Cross multiply
167,470,479.99x = 251,205,785.60 × 52,463,957.58 - Step 4: Simplify right side
167,470,479.99x = 13,179,249,679,306,654 - Step 5: Solve for x
x = 13,179,249,679,306,654/167,470,479.99 - Step 6: Final answer
x = 78,695,956.92
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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.