Finding the Fourth Proportional to 99,854,540.70, 149,781,811.05 and 48,769,331.10
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Solution
The fourth proportional to 99,854,540.70, 149,781,811.05 and 48,769,331.10 is: 73,153,996.65
Step by Step Solution
- Step 1: Write the proportion equation
99,854,540.70 : 149,781,811.05 = 48,769,331.10 : x - Step 2: Convert to fraction form
99,854,540.70/149,781,811.05 = 48,769,331.10/x - Step 3: Cross multiply
99,854,540.70x = 149,781,811.05 × 48,769,331.10 - Step 4: Simplify right side
99,854,540.70x = 7,304,758,735,855,089 - Step 5: Solve for x
x = 7,304,758,735,855,089/99,854,540.70 - Step 6: Final answer
x = 73,153,996.65
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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.