Finding the Fourth Proportional to 193,987,968.84, 291,028,282.20 and 64,596,700.44
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Solution
The fourth proportional to 193,987,968.84, 291,028,282.20 and 64,596,700.44 is: 96,910,477.89
Step by Step Solution
- Step 1: Write the proportion equation
193,987,968.84 : 291,028,282.20 = 64,596,700.44 : x - Step 2: Convert to fraction form
193,987,968.84/291,028,282.20 = 64,596,700.44/x - Step 3: Cross multiply
193,987,968.84x = 291,028,282.20 × 64,596,700.44 - Step 4: Simplify right side
193,987,968.84x = 18,799,466,764,841,184 - Step 5: Solve for x
x = 18,799,466,764,841,184/193,987,968.84 - Step 6: Final answer
x = 96,910,477.89
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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.