Finding the Fourth Proportional to 99,645,587.70, 149,468,381.55 and 27,842,003.70
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Solution
The fourth proportional to 99,645,587.70, 149,468,381.55 and 27,842,003.70 is: 41,763,005.55
Step by Step Solution
- Step 1: Write the proportion equation
99,645,587.70 : 149,468,381.55 = 27,842,003.70 : x - Step 2: Convert to fraction form
99,645,587.70/149,468,381.55 = 27,842,003.70/x - Step 3: Cross multiply
99,645,587.70x = 149,468,381.55 × 27,842,003.70 - Step 4: Simplify right side
99,645,587.70x = 4,161,499,232,148,112 - Step 5: Solve for x
x = 4,161,499,232,148,112/99,645,587.70 - Step 6: Final answer
x = 41,763,005.55
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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.