Finding the Fourth Proportional to 153,682,753.34, 212,083,882.26 and 84,068,134.94
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Solution
The fourth proportional to 153,682,753.34, 212,083,882.26 and 84,068,134.94 is: 116,014,946.67
Step by Step Solution
- Step 1: Write the proportion equation
153,682,753.34 : 212,083,882.26 = 84,068,134.94 : x - Step 2: Convert to fraction form
153,682,753.34/212,083,882.26 = 84,068,134.94/x - Step 3: Cross multiply
153,682,753.34x = 212,083,882.26 × 84,068,134.94 - Step 4: Simplify right side
153,682,753.34x = 17,829,496,432,432,750 - Step 5: Solve for x
x = 17,829,496,432,432,750/153,682,753.34 - Step 6: Final answer
x = 116,014,946.67
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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.