Finding the Fourth Proportional to 90,204,777.71, 124,482,593.21 and 48,951,670.09
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Solution
The fourth proportional to 90,204,777.71, 124,482,593.21 and 48,951,670.09 is: 67,553,304.70
Step by Step Solution
- Step 1: Write the proportion equation
90,204,777.71 : 124,482,593.21 = 48,951,670.09 : x - Step 2: Convert to fraction form
90,204,777.71/124,482,593.21 = 48,951,670.09/x - Step 3: Cross multiply
90,204,777.71x = 124,482,593.21 × 48,951,670.09 - Step 4: Simplify right side
90,204,777.71x = 6,093,630,833,896,423 - Step 5: Solve for x
x = 6,093,630,833,896,423/90,204,777.71 - Step 6: Final answer
x = 67,553,304.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.