Finding the Fourth Proportional to 249,221,708.19, 343,945,562.72 and 141,935,566.91
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Solution
The fourth proportional to 249,221,708.19, 343,945,562.72 and 141,935,566.91 is: 195,882,247.91
Step by Step Solution
- Step 1: Write the proportion equation
249,221,708.19 : 343,945,562.72 = 141,935,566.91 : x - Step 2: Convert to fraction form
249,221,708.19/343,945,562.72 = 141,935,566.91/x - Step 3: Cross multiply
249,221,708.19x = 343,945,562.72 × 141,935,566.91 - Step 4: Simplify right side
249,221,708.19x = 48,818,108,428,653,512 - Step 5: Solve for x
x = 48,818,108,428,653,512/249,221,708.19 - Step 6: Final answer
x = 195,882,247.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.