Finding the Fourth Proportional to 54,009,143.68, 74,532,708.64 and 29,229,352.48
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Solution
The fourth proportional to 54,009,143.68, 74,532,708.64 and 29,229,352.48 is: 40,336,555.33
Step by Step Solution
- Step 1: Write the proportion equation
54,009,143.68 : 74,532,708.64 = 29,229,352.48 : x - Step 2: Convert to fraction form
54,009,143.68/74,532,708.64 = 29,229,352.48/x - Step 3: Cross multiply
54,009,143.68x = 74,532,708.64 × 29,229,352.48 - Step 4: Simplify right side
54,009,143.68x = 2,178,542,812,127,701.50 - Step 5: Solve for x
x = 2,178,542,812,127,701.50/54,009,143.68 - Step 6: Final answer
x = 40,336,555.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.