Finding the Fourth Proportional to 243,248,243.86, 364,919,309.75 and 79,441,962.99
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Solution
The fourth proportional to 243,248,243.86, 364,919,309.75 and 79,441,962.99 is: 119,178,275.82
Step by Step Solution
- Step 1: Write the proportion equation
243,248,243.86 : 364,919,309.75 = 79,441,962.99 : x - Step 2: Convert to fraction form
243,248,243.86/364,919,309.75 = 79,441,962.99/x - Step 3: Cross multiply
243,248,243.86x = 364,919,309.75 × 79,441,962.99 - Step 4: Simplify right side
243,248,243.86x = 28,989,906,299,932,208 - Step 5: Solve for x
x = 28,989,906,299,932,208/243,248,243.86 - Step 6: Final answer
x = 119,178,275.82
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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.