Finding the Fourth Proportional to 362,860,343.99, 544,292,681.12 and 90,231,110.99
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Solution
The fourth proportional to 362,860,343.99, 544,292,681.12 and 90,231,110.99 is: 135,347,204.88
Step by Step Solution
- Step 1: Write the proportion equation
362,860,343.99 : 544,292,681.12 = 90,231,110.99 : x - Step 2: Convert to fraction form
362,860,343.99/544,292,681.12 = 90,231,110.99/x - Step 3: Cross multiply
362,860,343.99x = 544,292,681.12 × 90,231,110.99 - Step 4: Simplify right side
362,860,343.99x = 49,112,133,321,183,392 - Step 5: Solve for x
x = 49,112,133,321,183,392/362,860,343.99 - Step 6: Final answer
x = 135,347,204.88
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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.