Finding the Fourth Proportional to 88,990,134.60, 133,485,201.90 and 37,859,305.80
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Solution
The fourth proportional to 88,990,134.60, 133,485,201.90 and 37,859,305.80 is: 56,788,958.70
Step by Step Solution
- Step 1: Write the proportion equation
88,990,134.60 : 133,485,201.90 = 37,859,305.80 : x - Step 2: Convert to fraction form
88,990,134.60/133,485,201.90 = 37,859,305.80/x - Step 3: Cross multiply
88,990,134.60x = 133,485,201.90 × 37,859,305.80 - Step 4: Simplify right side
88,990,134.60x = 5,053,657,078,506,841 - Step 5: Solve for x
x = 5,053,657,078,506,841/88,990,134.60 - Step 6: Final answer
x = 56,788,958.70
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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.