Finding the Fourth Proportional to 135,405,995.32, 202,967,248.20 and 56,667,618.04
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Solution
The fourth proportional to 135,405,995.32, 202,967,248.20 and 56,667,618.04 is: 84,942,106.65
Step by Step Solution
- Step 1: Write the proportion equation
135,405,995.32 : 202,967,248.20 = 56,667,618.04 : x - Step 2: Convert to fraction form
135,405,995.32/202,967,248.20 = 56,667,618.04/x - Step 3: Cross multiply
135,405,995.32x = 202,967,248.20 × 56,667,618.04 - Step 4: Simplify right side
135,405,995.32x = 11,501,670,495,627,476 - Step 5: Solve for x
x = 11,501,670,495,627,476/135,405,995.32 - Step 6: Final answer
x = 84,942,106.65
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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.