Finding the Fourth Proportional to 57,276,028.80, 85,819,564.80 and 48,772,972.80
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Solution
The fourth proportional to 57,276,028.80, 85,819,564.80 and 48,772,972.80 is: 73,079,006.83
Step by Step Solution
- Step 1: Write the proportion equation
57,276,028.80 : 85,819,564.80 = 48,772,972.80 : x - Step 2: Convert to fraction form
57,276,028.80/85,819,564.80 = 48,772,972.80/x - Step 3: Cross multiply
57,276,028.80x = 85,819,564.80 × 48,772,972.80 - Step 4: Simplify right side
57,276,028.80x = 4,185,675,299,698,237 - Step 5: Solve for x
x = 4,185,675,299,698,237/57,276,028.80 - Step 6: Final answer
x = 73,079,006.83
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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.