Finding the Fourth Proportional to 163,701,491.40, 245,552,237.10 and 99,131,409.90
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Solution
The fourth proportional to 163,701,491.40, 245,552,237.10 and 99,131,409.90 is: 148,697,114.85
Step by Step Solution
- Step 1: Write the proportion equation
163,701,491.40 : 245,552,237.10 = 99,131,409.90 : x - Step 2: Convert to fraction form
163,701,491.40/245,552,237.10 = 99,131,409.90/x - Step 3: Cross multiply
163,701,491.40x = 245,552,237.10 × 99,131,409.90 - Step 4: Simplify right side
163,701,491.40x = 24,341,939,467,822,088 - Step 5: Solve for x
x = 24,341,939,467,822,088/163,701,491.40 - Step 6: Final answer
x = 148,697,114.85
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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.