Finding the Fourth Proportional to 163,959,720.76, 245,935,660.80 and 53,295,251.68
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Solution
The fourth proportional to 163,959,720.76, 245,935,660.80 and 53,295,251.68 is: 79,941,603.21
Step by Step Solution
- Step 1: Write the proportion equation
163,959,720.76 : 245,935,660.80 = 53,295,251.68 : x - Step 2: Convert to fraction form
163,959,720.76/245,935,660.80 = 53,295,251.68/x - Step 3: Cross multiply
163,959,720.76x = 245,935,660.80 × 53,295,251.68 - Step 4: Simplify right side
163,959,720.76x = 13,107,202,939,423,110 - Step 5: Solve for x
x = 13,107,202,939,423,110/163,959,720.76 - Step 6: Final answer
x = 79,941,603.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.