Finding the Fourth Proportional to 149,886,452.30, 206,900,383.12 and 97,688,186.06
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Solution
The fourth proportional to 149,886,452.30, 206,900,383.12 and 97,688,186.06 is: 134,846,897.84
Step by Step Solution
- Step 1: Write the proportion equation
149,886,452.30 : 206,900,383.12 = 97,688,186.06 : x - Step 2: Convert to fraction form
149,886,452.30/206,900,383.12 = 97,688,186.06/x - Step 3: Cross multiply
149,886,452.30x = 206,900,383.12 × 97,688,186.06 - Step 4: Simplify right side
149,886,452.30x = 20,211,723,120,833,124 - Step 5: Solve for x
x = 20,211,723,120,833,124/149,886,452.30 - Step 6: Final answer
x = 134,846,897.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.