Finding the Fourth Proportional to 54,219,743.99, 74,823,335.35 and 29,439,978.76
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Solution
The fourth proportional to 54,219,743.99, 74,823,335.35 and 29,439,978.76 is: 40,627,218.82
Step by Step Solution
- Step 1: Write the proportion equation
54,219,743.99 : 74,823,335.35 = 29,439,978.76 : x - Step 2: Convert to fraction form
54,219,743.99/74,823,335.35 = 29,439,978.76/x - Step 3: Cross multiply
54,219,743.99x = 74,823,335.35 × 29,439,978.76 - Step 4: Simplify right side
54,219,743.99x = 2,202,797,403,476,286.25 - Step 5: Solve for x
x = 2,202,797,403,476,286.25/54,219,743.99 - Step 6: Final answer
x = 40,627,218.82
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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.