Finding the Fourth Proportional to 258,757,168.33, 387,909,004.33 and 97,312,478.41
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Solution
The fourth proportional to 258,757,168.33, 387,909,004.33 and 97,312,478.41 is: 145,883,442.97
Step by Step Solution
- Step 1: Write the proportion equation
258,757,168.33 : 387,909,004.33 = 97,312,478.41 : x - Step 2: Convert to fraction form
258,757,168.33/387,909,004.33 = 97,312,478.41/x - Step 3: Cross multiply
258,757,168.33x = 387,909,004.33 × 97,312,478.41 - Step 4: Simplify right side
258,757,168.33x = 37,748,386,608,907,720 - Step 5: Solve for x
x = 37,748,386,608,907,720/258,757,168.33 - Step 6: Final answer
x = 145,883,442.97
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.