Finding the Fourth Proportional to 73,487,793.43, 110,231,987.34 and 29,769,378.68
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Solution
The fourth proportional to 73,487,793.43, 110,231,987.34 and 29,769,378.68 is: 44,654,188.41
Step by Step Solution
- Step 1: Write the proportion equation
73,487,793.43 : 110,231,987.34 = 29,769,378.68 : x - Step 2: Convert to fraction form
73,487,793.43/110,231,987.34 = 29,769,378.68/x - Step 3: Cross multiply
73,487,793.43x = 110,231,987.34 × 29,769,378.68 - Step 4: Simplify right side
73,487,793.43x = 3,281,537,773,624,579 - Step 5: Solve for x
x = 3,281,537,773,624,579/73,487,793.43 - Step 6: Final answer
x = 44,654,188.41
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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.