Finding the Fourth Proportional to 296,985,966.70, 445,904,102.85 and 167,845,803.70
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Solution
The fourth proportional to 296,985,966.70, 445,904,102.85 and 167,845,803.70 is: 252,008,986.65
Step by Step Solution
- Step 1: Write the proportion equation
296,985,966.70 : 445,904,102.85 = 167,845,803.70 : x - Step 2: Convert to fraction form
296,985,966.70/445,904,102.85 = 167,845,803.70/x - Step 3: Cross multiply
296,985,966.70x = 445,904,102.85 × 167,845,803.70 - Step 4: Simplify right side
296,985,966.70x = 74,843,132,515,985,712 - Step 5: Solve for x
x = 74,843,132,515,985,712/296,985,966.70 - Step 6: Final answer
x = 252,008,986.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.