Finding the Fourth Proportional to 51,127,563.96, 70,557,779.30 and 30,237,503.99
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Solution
The fourth proportional to 51,127,563.96, 70,557,779.30 and 30,237,503.99 is: 41,728,785.17
Step by Step Solution
- Step 1: Write the proportion equation
51,127,563.96 : 70,557,779.30 = 30,237,503.99 : x - Step 2: Convert to fraction form
51,127,563.96/70,557,779.30 = 30,237,503.99/x - Step 3: Cross multiply
51,127,563.96x = 70,557,779.30 × 30,237,503.99 - Step 4: Simplify right side
51,127,563.96x = 2,133,491,132,605,313 - Step 5: Solve for x
x = 2,133,491,132,605,313/51,127,563.96 - Step 6: Final answer
x = 41,728,785.17
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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.