Finding the Fourth Proportional to 240,309,239.41, 331,633,271.25 and 135,902,923.75
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Solution
The fourth proportional to 240,309,239.41, 331,633,271.25 and 135,902,923.75 is: 187,549,722.54
Step by Step Solution
- Step 1: Write the proportion equation
240,309,239.41 : 331,633,271.25 = 135,902,923.75 : x - Step 2: Convert to fraction form
240,309,239.41/331,633,271.25 = 135,902,923.75/x - Step 3: Cross multiply
240,309,239.41x = 331,633,271.25 × 135,902,923.75 - Step 4: Simplify right side
240,309,239.41x = 45,069,931,175,651,816 - Step 5: Solve for x
x = 45,069,931,175,651,816/240,309,239.41 - Step 6: Final answer
x = 187,549,722.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.