Finding the Fourth Proportional to 157,972,821.18, 236,969,629.12 and 41,391,031.82
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Solution
The fourth proportional to 157,972,821.18, 236,969,629.12 and 41,391,031.82 is: 62,089,271.98
Step by Step Solution
- Step 1: Write the proportion equation
157,972,821.18 : 236,969,629.12 = 41,391,031.82 : x - Step 2: Convert to fraction form
157,972,821.18/236,969,629.12 = 41,391,031.82/x - Step 3: Cross multiply
157,972,821.18x = 236,969,629.12 × 41,391,031.82 - Step 4: Simplify right side
157,972,821.18x = 9,808,417,459,279,518 - Step 5: Solve for x
x = 9,808,417,459,279,518/157,972,821.18 - Step 6: Final answer
x = 62,089,271.98
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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.