Finding the Fourth Proportional to 188,439,763.80, 282,449,693.70 and 73,386,067.80
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Solution
The fourth proportional to 188,439,763.80, 282,449,693.70 and 73,386,067.80 is: 109,997,337.90
Step by Step Solution
- Step 1: Write the proportion equation
188,439,763.80 : 282,449,693.70 = 73,386,067.80 : x - Step 2: Convert to fraction form
188,439,763.80/282,449,693.70 = 73,386,067.80/x - Step 3: Cross multiply
188,439,763.80x = 282,449,693.70 × 73,386,067.80 - Step 4: Simplify right side
188,439,763.80x = 20,727,872,371,957,432 - Step 5: Solve for x
x = 20,727,872,371,957,432/188,439,763.80 - Step 6: Final answer
x = 109,997,337.90
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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.