Finding the Fourth Proportional to 143,828,251.56, 215,895,902.58 and 61,987,519.08
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Solution
The fourth proportional to 143,828,251.56, 215,895,902.58 and 61,987,519.08 is: 93,047,445.38
Step by Step Solution
- Step 1: Write the proportion equation
143,828,251.56 : 215,895,902.58 = 61,987,519.08 : x - Step 2: Convert to fraction form
143,828,251.56/215,895,902.58 = 61,987,519.08/x - Step 3: Cross multiply
143,828,251.56x = 215,895,902.58 × 61,987,519.08 - Step 4: Simplify right side
143,828,251.56x = 13,382,851,380,471,572 - Step 5: Solve for x
x = 13,382,851,380,471,572/143,828,251.56 - Step 6: Final answer
x = 93,047,445.38
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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.