Finding the Fourth Proportional to 53,974,453.92, 74,485,352.40 and 29,195,141.28
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Solution
The fourth proportional to 53,974,453.92, 74,485,352.40 and 29,195,141.28 is: 40,289,622.75
Step by Step Solution
- Step 1: Write the proportion equation
53,974,453.92 : 74,485,352.40 = 29,195,141.28 : x - Step 2: Convert to fraction form
53,974,453.92/74,485,352.40 = 29,195,141.28/x - Step 3: Cross multiply
53,974,453.92x = 74,485,352.40 × 29,195,141.28 - Step 4: Simplify right side
53,974,453.92x = 2,174,610,386,608,587.25 - Step 5: Solve for x
x = 2,174,610,386,608,587.25/53,974,453.92 - Step 6: Final answer
x = 40,289,622.75
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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.