Finding the Fourth Proportional to 179,285,984.29, 247,408,126.36 and 99,896,943.88
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Solution
The fourth proportional to 179,285,984.29, 247,408,126.36 and 99,896,943.88 is: 137,854,142.99
Step by Step Solution
- Step 1: Write the proportion equation
179,285,984.29 : 247,408,126.36 = 99,896,943.88 : x - Step 2: Convert to fraction form
179,285,984.29/247,408,126.36 = 99,896,943.88/x - Step 3: Cross multiply
179,285,984.29x = 247,408,126.36 × 99,896,943.88 - Step 4: Simplify right side
179,285,984.29x = 24,715,315,714,440,868 - Step 5: Solve for x
x = 24,715,315,714,440,868/179,285,984.29 - Step 6: Final answer
x = 137,854,142.99
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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.