Finding the Fourth Proportional to 197,343,085.52, 272,330,160 and 109,235,192.96
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Solution
The fourth proportional to 197,343,085.52, 272,330,160 and 109,235,192.96 is: 150,742,740.74
Step by Step Solution
- Step 1: Write the proportion equation
197,343,085.52 : 272,330,160 = 109,235,192.96 : x - Step 2: Convert to fraction form
197,343,085.52/272,330,160 = 109,235,192.96/x - Step 3: Cross multiply
197,343,085.52x = 272,330,160 × 109,235,192.96 - Step 4: Simplify right side
197,343,085.52x = 29,748,037,576,427,672 - Step 5: Solve for x
x = 29,748,037,576,427,672/197,343,085.52 - Step 6: Final answer
x = 150,742,740.74
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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.