Finding the Fourth Proportional to 236,391,018.91, 354,801,702.29 and 125,819,518.63
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Solution
The fourth proportional to 236,391,018.91, 354,801,702.29 and 125,819,518.63 is: 188,843,804.63
Step by Step Solution
- Step 1: Write the proportion equation
236,391,018.91 : 354,801,702.29 = 125,819,518.63 : x - Step 2: Convert to fraction form
236,391,018.91/354,801,702.29 = 125,819,518.63/x - Step 3: Cross multiply
236,391,018.91x = 354,801,702.29 × 125,819,518.63 - Step 4: Simplify right side
236,391,018.91x = 44,640,979,391,090,408 - Step 5: Solve for x
x = 44,640,979,391,090,408/236,391,018.91 - Step 6: Final answer
x = 188,843,804.63
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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.