Finding the Fourth Proportional to 172,305,204.23, 237,782,699.37 and 93,989,106.02
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Solution
The fourth proportional to 172,305,204.23, 237,782,699.37 and 93,989,106.02 is: 129,705,794.09
Step by Step Solution
- Step 1: Write the proportion equation
172,305,204.23 : 237,782,699.37 = 93,989,106.02 : x - Step 2: Convert to fraction form
172,305,204.23/237,782,699.37 = 93,989,106.02/x - Step 3: Cross multiply
172,305,204.23x = 237,782,699.37 × 93,989,106.02 - Step 4: Simplify right side
172,305,204.23x = 22,348,983,340,338,772 - Step 5: Solve for x
x = 22,348,983,340,338,772/172,305,204.23 - Step 6: Final answer
x = 129,705,794.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.