Finding the Fourth Proportional to 79,837,005.44, 119,865,787.64 and 55,184,201.03
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Solution
The fourth proportional to 79,837,005.44, 119,865,787.64 and 55,184,201.03 is: 82,852,527.91
Step by Step Solution
- Step 1: Write the proportion equation
79,837,005.44 : 119,865,787.64 = 55,184,201.03 : x - Step 2: Convert to fraction form
79,837,005.44/119,865,787.64 = 55,184,201.03/x - Step 3: Cross multiply
79,837,005.44x = 119,865,787.64 × 55,184,201.03 - Step 4: Simplify right side
79,837,005.44x = 6,614,697,721,975,733 - Step 5: Solve for x
x = 6,614,697,721,975,733/79,837,005.44 - Step 6: Final answer
x = 82,852,527.91
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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.