Finding the Fourth Proportional to 240,596,654.36, 331,966,470.38 and 136,174,725.70
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Solution
The fourth proportional to 240,596,654.36, 331,966,470.38 and 136,174,725.70 is: 187,888,909.62
Step by Step Solution
- Step 1: Write the proportion equation
240,596,654.36 : 331,966,470.38 = 136,174,725.70 : x - Step 2: Convert to fraction form
240,596,654.36/331,966,470.38 = 136,174,725.70/x - Step 3: Cross multiply
240,596,654.36x = 331,966,470.38 × 136,174,725.70 - Step 4: Simplify right side
240,596,654.36x = 45,205,443,045,593,672 - Step 5: Solve for x
x = 45,205,443,045,593,672/240,596,654.36 - Step 6: Final answer
x = 187,888,909.62
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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.