Finding the Fourth Proportional to 75,694,638.29, 104,458,642.83 and 40,887,328.92
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Solution
The fourth proportional to 75,694,638.29, 104,458,642.83 and 40,887,328.92 is: 56,424,536.59
Step by Step Solution
- Step 1: Write the proportion equation
75,694,638.29 : 104,458,642.83 = 40,887,328.92 : x - Step 2: Convert to fraction form
75,694,638.29/104,458,642.83 = 40,887,328.92/x - Step 3: Cross multiply
75,694,638.29x = 104,458,642.83 × 40,887,328.92 - Step 4: Simplify right side
75,694,638.29x = 4,271,034,887,927,010 - Step 5: Solve for x
x = 4,271,034,887,927,010/75,694,638.29 - Step 6: Final answer
x = 56,424,536.59
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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.