Finding the Fourth Proportional to 157,464,135.70, 236,196,203.55 and 49,758,759.70
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Solution
The fourth proportional to 157,464,135.70, 236,196,203.55 and 49,758,759.70 is: 74,638,139.55
Step by Step Solution
- Step 1: Write the proportion equation
157,464,135.70 : 236,196,203.55 = 49,758,759.70 : x - Step 2: Convert to fraction form
157,464,135.70/236,196,203.55 = 49,758,759.70/x - Step 3: Cross multiply
157,464,135.70x = 236,196,203.55 × 49,758,759.70 - Step 4: Simplify right side
157,464,135.70x = 11,752,830,134,496,738 - Step 5: Solve for x
x = 11,752,830,134,496,738/157,464,135.70 - Step 6: Final answer
x = 74,638,139.55
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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.