Finding the Fourth Proportional to 188,440,113.80, 282,450,218.70 and 73,386,417.80
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Solution
The fourth proportional to 188,440,113.80, 282,450,218.70 and 73,386,417.80 is: 109,997,862.66
Step by Step Solution
- Step 1: Write the proportion equation
188,440,113.80 : 282,450,218.70 = 73,386,417.80 : x - Step 2: Convert to fraction form
188,440,113.80/282,450,218.70 = 73,386,417.80/x - Step 3: Cross multiply
188,440,113.80x = 282,450,218.70 × 73,386,417.80 - Step 4: Simplify right side
188,440,113.80x = 20,728,009,757,219,572 - Step 5: Solve for x
x = 20,728,009,757,219,572/188,440,113.80 - Step 6: Final answer
x = 109,997,862.66
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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.