Finding the Fourth Proportional to 193,120,253.23, 266,497,840.12 and 109,494,011.09
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Solution
The fourth proportional to 193,120,253.23, 266,497,840.12 and 109,494,011.09 is: 151,097,137.53
Step by Step Solution
- Step 1: Write the proportion equation
193,120,253.23 : 266,497,840.12 = 109,494,011.09 : x - Step 2: Convert to fraction form
193,120,253.23/266,497,840.12 = 109,494,011.09/x - Step 3: Cross multiply
193,120,253.23x = 266,497,840.12 × 109,494,011.09 - Step 4: Simplify right side
193,120,253.23x = 29,179,917,461,560,328 - Step 5: Solve for x
x = 29,179,917,461,560,328/193,120,253.23 - Step 6: Final answer
x = 151,097,137.53
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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.