Finding the Fourth Proportional to 240,391,820.25, 331,740,733.82 and 135,967,644.09
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Solution
The fourth proportional to 240,391,820.25, 331,740,733.82 and 135,967,644.09 is: 187,635,361.21
Step by Step Solution
- Step 1: Write the proportion equation
240,391,820.25 : 331,740,733.82 = 135,967,644.09 : x - Step 2: Convert to fraction form
240,391,820.25/331,740,733.82 = 135,967,644.09/x - Step 3: Cross multiply
240,391,820.25x = 331,740,733.82 × 135,967,644.09 - Step 4: Simplify right side
240,391,820.25x = 45,106,006,025,513,352 - Step 5: Solve for x
x = 45,106,006,025,513,352/240,391,820.25 - Step 6: Final answer
x = 187,635,361.21
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.