Finding the Fourth Proportional to 153,716,025.08, 212,107,164.90 and 91,823,225.24
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Solution
The fourth proportional to 153,716,025.08, 212,107,164.90 and 91,823,225.24 is: 126,703,536.39
Step by Step Solution
- Step 1: Write the proportion equation
153,716,025.08 : 212,107,164.90 = 91,823,225.24 : x - Step 2: Convert to fraction form
153,716,025.08/212,107,164.90 = 91,823,225.24/x - Step 3: Cross multiply
153,716,025.08x = 212,107,164.90 × 91,823,225.24 - Step 4: Simplify right side
153,716,025.08x = 19,476,363,977,630,520 - Step 5: Solve for x
x = 19,476,363,977,630,520/153,716,025.08 - Step 6: Final answer
x = 126,703,536.39
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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.