Finding the Fourth Proportional to 132,430,201.40, 198,645,302.10 and 36,692,089.40
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Solution
The fourth proportional to 132,430,201.40, 198,645,302.10 and 36,692,089.40 is: 55,038,134.10
Step by Step Solution
- Step 1: Write the proportion equation
132,430,201.40 : 198,645,302.10 = 36,692,089.40 : x - Step 2: Convert to fraction form
132,430,201.40/198,645,302.10 = 36,692,089.40/x - Step 3: Cross multiply
132,430,201.40x = 198,645,302.10 × 36,692,089.40 - Step 4: Simplify right side
132,430,201.40x = 7,288,711,183,543,207 - Step 5: Solve for x
x = 7,288,711,183,543,207/132,430,201.40 - Step 6: Final answer
x = 55,038,134.10
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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.