Finding the Fourth Proportional to 119,232,859.80, 178,849,289.70 and 104,116,315.80
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Solution
The fourth proportional to 119,232,859.80, 178,849,289.70 and 104,116,315.80 is: 156,174,473.70
Step by Step Solution
- Step 1: Write the proportion equation
119,232,859.80 : 178,849,289.70 = 104,116,315.80 : x - Step 2: Convert to fraction form
119,232,859.80/178,849,289.70 = 104,116,315.80/x - Step 3: Cross multiply
119,232,859.80x = 178,849,289.70 × 104,116,315.80 - Step 4: Simplify right side
119,232,859.80x = 18,621,129,127,010,884 - Step 5: Solve for x
x = 18,621,129,127,010,884/119,232,859.80 - Step 6: Final answer
x = 156,174,473.70
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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.