Finding the Fourth Proportional to 250,642,240.79, 375,965,946.70 and 75,766,710.83
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Solution
The fourth proportional to 250,642,240.79, 375,965,946.70 and 75,766,710.83 is: 113,650,847.82
Step by Step Solution
- Step 1: Write the proportion equation
250,642,240.79 : 375,965,946.70 = 75,766,710.83 : x - Step 2: Convert to fraction form
250,642,240.79/375,965,946.70 = 75,766,710.83/x - Step 3: Cross multiply
250,642,240.79x = 375,965,946.70 × 75,766,710.83 - Step 4: Simplify right side
250,642,240.79x = 28,485,703,163,476,848 - Step 5: Solve for x
x = 28,485,703,163,476,848/250,642,240.79 - Step 6: Final answer
x = 113,650,847.82
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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.