Finding the Fourth Proportional to 178,430,706.99, 246,238,621.47 and 100,120,052.43
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Solution
The fourth proportional to 178,430,706.99, 246,238,621.47 and 100,120,052.43 is: 138,168,054.75
Step by Step Solution
- Step 1: Write the proportion equation
178,430,706.99 : 246,238,621.47 = 100,120,052.43 : x - Step 2: Convert to fraction form
178,430,706.99/246,238,621.47 = 100,120,052.43/x - Step 3: Cross multiply
178,430,706.99x = 246,238,621.47 × 100,120,052.43 - Step 4: Simplify right side
178,430,706.99x = 24,653,423,691,867,324 - Step 5: Solve for x
x = 24,653,423,691,867,324/178,430,706.99 - Step 6: Final answer
x = 138,168,054.75
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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.