Finding the Fourth Proportional to 258,757,213.58, 387,909,072.20 and 97,312,523.66
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Solution
The fourth proportional to 258,757,213.58, 387,909,072.20 and 97,312,523.66 is: 145,883,510.82
Step by Step Solution
- Step 1: Write the proportion equation
258,757,213.58 : 387,909,072.20 = 97,312,523.66 : x - Step 2: Convert to fraction form
258,757,213.58/387,909,072.20 = 97,312,523.66/x - Step 3: Cross multiply
258,757,213.58x = 387,909,072.20 × 97,312,523.66 - Step 4: Simplify right side
258,757,213.58x = 37,748,410,766,391,144 - Step 5: Solve for x
x = 37,748,410,766,391,144/258,757,213.58 - Step 6: Final answer
x = 145,883,510.82
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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.