Finding the Fourth Proportional to 124,419,943.10, 186,303,322.65 and 87,830,752.70
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Solution
The fourth proportional to 124,419,943.10, 186,303,322.65 and 87,830,752.70 is: 131,515,580.63
Step by Step Solution
- Step 1: Write the proportion equation
124,419,943.10 : 186,303,322.65 = 87,830,752.70 : x - Step 2: Convert to fraction form
124,419,943.10/186,303,322.65 = 87,830,752.70/x - Step 3: Cross multiply
124,419,943.10x = 186,303,322.65 × 87,830,752.70 - Step 4: Simplify right side
124,419,943.10x = 16,363,161,058,860,460 - Step 5: Solve for x
x = 16,363,161,058,860,460/124,419,943.10 - Step 6: Final answer
x = 131,515,580.63
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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.