Finding the Fourth Proportional to 157,464,048.96, 217,300,523.68 and 87,849,444.08
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Solution
The fourth proportional to 157,464,048.96, 217,300,523.68 and 87,849,444.08 is: 121,232,308.77
Step by Step Solution
- Step 1: Write the proportion equation
157,464,048.96 : 217,300,523.68 = 87,849,444.08 : x - Step 2: Convert to fraction form
157,464,048.96/217,300,523.68 = 87,849,444.08/x - Step 3: Cross multiply
157,464,048.96x = 217,300,523.68 × 87,849,444.08 - Step 4: Simplify right side
157,464,048.96x = 19,089,730,203,580,876 - Step 5: Solve for x
x = 19,089,730,203,580,876/157,464,048.96 - Step 6: Final answer
x = 121,232,308.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.