Finding the Fourth Proportional to 115,624,005.02, 159,571,216.52 and 63,423,129.80
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Solution
The fourth proportional to 115,624,005.02, 159,571,216.52 and 63,423,129.80 is: 87,529,453.56
Step by Step Solution
- Step 1: Write the proportion equation
115,624,005.02 : 159,571,216.52 = 63,423,129.80 : x - Step 2: Convert to fraction form
115,624,005.02/159,571,216.52 = 63,423,129.80/x - Step 3: Cross multiply
115,624,005.02x = 159,571,216.52 × 63,423,129.80 - Step 4: Simplify right side
115,624,005.02x = 10,120,505,977,691,864 - Step 5: Solve for x
x = 10,120,505,977,691,864/115,624,005.02 - Step 6: Final answer
x = 87,529,453.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.