Finding the Fourth Proportional to 132,430,207.90, 198,645,311.85 and 36,692,095.90
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Solution
The fourth proportional to 132,430,207.90, 198,645,311.85 and 36,692,095.90 is: 55,038,143.85
Step by Step Solution
- Step 1: Write the proportion equation
132,430,207.90 : 198,645,311.85 = 36,692,095.90 : x - Step 2: Convert to fraction form
132,430,207.90/198,645,311.85 = 36,692,095.90/x - Step 3: Cross multiply
132,430,207.90x = 198,645,311.85 × 36,692,095.90 - Step 4: Simplify right side
132,430,207.90x = 7,288,712,832,485,606 - Step 5: Solve for x
x = 7,288,712,832,485,606/132,430,207.90 - Step 6: Final answer
x = 55,038,143.85
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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.