Finding the Fourth Proportional to 178,430,708.99, 246,238,624.23 and 100,120,054.43
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Solution
The fourth proportional to 178,430,708.99, 246,238,624.23 and 100,120,054.43 is: 138,168,057.51
Step by Step Solution
- Step 1: Write the proportion equation
178,430,708.99 : 246,238,624.23 = 100,120,054.43 : x - Step 2: Convert to fraction form
178,430,708.99/246,238,624.23 = 100,120,054.43/x - Step 3: Cross multiply
178,430,708.99x = 246,238,624.23 × 100,120,054.43 - Step 4: Simplify right side
178,430,708.99x = 24,653,424,460,675,916 - Step 5: Solve for x
x = 24,653,424,460,675,916/178,430,708.99 - Step 6: Final answer
x = 138,168,057.51
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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.