Finding the Fourth Proportional to 157,110,371.80, 216,796,778.94 and 87,502,229.08
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Solution
The fourth proportional to 157,110,371.80, 216,796,778.94 and 87,502,229.08 is: 120,744,424.43
Step by Step Solution
- Step 1: Write the proportion equation
157,110,371.80 : 216,796,778.94 = 87,502,229.08 : x - Step 2: Convert to fraction form
157,110,371.80/216,796,778.94 = 87,502,229.08/x - Step 3: Cross multiply
157,110,371.80x = 216,796,778.94 × 87,502,229.08 - Step 4: Simplify right side
157,110,371.80x = 18,970,201,414,614,000 - Step 5: Solve for x
x = 18,970,201,414,614,000/157,110,371.80 - Step 6: Final answer
x = 120,744,424.43
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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.