Finding the Fourth Proportional to 186,518,033.28, 257,395,133.88 and 102,884,277.33
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Solution
The fourth proportional to 186,518,033.28, 257,395,133.88 and 102,884,277.33 is: 141,980,439.49
Step by Step Solution
- Step 1: Write the proportion equation
186,518,033.28 : 257,395,133.88 = 102,884,277.33 : x - Step 2: Convert to fraction form
186,518,033.28/257,395,133.88 = 102,884,277.33/x - Step 3: Cross multiply
186,518,033.28x = 257,395,133.88 × 102,884,277.33 - Step 4: Simplify right side
186,518,033.28x = 26,481,912,337,502,396 - Step 5: Solve for x
x = 26,481,912,337,502,396/186,518,033.28 - Step 6: Final answer
x = 141,980,439.49
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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.