Finding the Fourth Proportional to 56,167,219.20, 84,250,828.80 and 49,896,652.80
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Solution
The fourth proportional to 56,167,219.20, 84,250,828.80 and 49,896,652.80 is: 74,844,979.20
Step by Step Solution
- Step 1: Write the proportion equation
56,167,219.20 : 84,250,828.80 = 49,896,652.80 : x - Step 2: Convert to fraction form
56,167,219.20/84,250,828.80 = 49,896,652.80/x - Step 3: Cross multiply
56,167,219.20x = 84,250,828.80 × 49,896,652.80 - Step 4: Simplify right side
56,167,219.20x = 4,203,834,352,745,840 - Step 5: Solve for x
x = 4,203,834,352,745,840/56,167,219.20 - Step 6: Final answer
x = 74,844,979.20
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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.