Finding the Fourth Proportional to 75,230,982.68, 103,830,104.06 and 45,879,341.73
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Solution
The fourth proportional to 75,230,982.68, 103,830,104.06 and 45,879,341.73 is: 63,320,412.10
Step by Step Solution
- Step 1: Write the proportion equation
75,230,982.68 : 103,830,104.06 = 45,879,341.73 : x - Step 2: Convert to fraction form
75,230,982.68/103,830,104.06 = 45,879,341.73/x - Step 3: Cross multiply
75,230,982.68x = 103,830,104.06 × 45,879,341.73 - Step 4: Simplify right side
75,230,982.68x = 4,763,656,825,800,804 - Step 5: Solve for x
x = 4,763,656,825,800,804/75,230,982.68 - Step 6: Final answer
x = 63,320,412.10
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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.