Finding the Fourth Proportional to 157,464,134.10, 236,196,201.15 and 143,115,227.10
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Solution
The fourth proportional to 157,464,134.10, 236,196,201.15 and 143,115,227.10 is: 214,672,840.65
Step by Step Solution
- Step 1: Write the proportion equation
157,464,134.10 : 236,196,201.15 = 143,115,227.10 : x - Step 2: Convert to fraction form
157,464,134.10/236,196,201.15 = 143,115,227.10/x - Step 3: Cross multiply
157,464,134.10x = 236,196,201.15 × 143,115,227.10 - Step 4: Simplify right side
157,464,134.10x = 33,803,272,967,739,532 - Step 5: Solve for x
x = 33,803,272,967,739,532/157,464,134.10 - Step 6: Final answer
x = 214,672,840.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.