Finding the Fourth Proportional to 81,450,243.80, 112,403,553.66 and 44,283,024.90
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Solution
The fourth proportional to 81,450,243.80, 112,403,553.66 and 44,283,024.90 is: 61,111,779.82
Step by Step Solution
- Step 1: Write the proportion equation
81,450,243.80 : 112,403,553.66 = 44,283,024.90 : x - Step 2: Convert to fraction form
81,450,243.80/112,403,553.66 = 44,283,024.90/x - Step 3: Cross multiply
81,450,243.80x = 112,403,553.66 × 44,283,024.90 - Step 4: Simplify right side
81,450,243.80x = 4,977,569,365,574,266 - Step 5: Solve for x
x = 4,977,569,365,574,266/81,450,243.80 - Step 6: Final answer
x = 61,111,779.82
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1.5x scale
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.