Finding the Fourth Proportional to 186,518,034.53, 257,395,135.61 and 102,884,278.58
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Solution
The fourth proportional to 186,518,034.53, 257,395,135.61 and 102,884,278.58 is: 141,980,441.22
Step by Step Solution
- Step 1: Write the proportion equation
186,518,034.53 : 257,395,135.61 = 102,884,278.58 : x - Step 2: Convert to fraction form
186,518,034.53/257,395,135.61 = 102,884,278.58/x - Step 3: Cross multiply
186,518,034.53x = 257,395,135.61 × 102,884,278.58 - Step 4: Simplify right side
186,518,034.53x = 26,481,912,837,236,120 - Step 5: Solve for x
x = 26,481,912,837,236,120/186,518,034.53 - Step 6: Final answer
x = 141,980,441.22
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.