Finding the Fourth Proportional to 135,232,011.48, 202,856,502.42 and 38,195,317.08
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Solution
The fourth proportional to 135,232,011.48, 202,856,502.42 and 38,195,317.08 is: 57,295,372.20
Step by Step Solution
- Step 1: Write the proportion equation
135,232,011.48 : 202,856,502.42 = 38,195,317.08 : x - Step 2: Convert to fraction form
135,232,011.48/202,856,502.42 = 38,195,317.08/x - Step 3: Cross multiply
135,232,011.48x = 202,856,502.42 × 38,195,317.08 - Step 4: Simplify right side
135,232,011.48x = 7,748,168,431,671,686 - Step 5: Solve for x
x = 7,748,168,431,671,686/135,232,011.48 - Step 6: Final answer
x = 57,295,372.20
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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.