Finding the Fourth Proportional to 220,599,791.20, 330,899,686.80 and 59,041,727.20
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Solution
The fourth proportional to 220,599,791.20, 330,899,686.80 and 59,041,727.20 is: 88,562,590.80
Step by Step Solution
- Step 1: Write the proportion equation
220,599,791.20 : 330,899,686.80 = 59,041,727.20 : x - Step 2: Convert to fraction form
220,599,791.20/330,899,686.80 = 59,041,727.20/x - Step 3: Cross multiply
220,599,791.20x = 330,899,686.80 × 59,041,727.20 - Step 4: Simplify right side
220,599,791.20x = 19,536,889,038,611,044 - Step 5: Solve for x
x = 19,536,889,038,611,044/220,599,791.20 - Step 6: Final answer
x = 88,562,590.80
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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.