Finding the Fourth Proportional to 58,149,689.40, 87,130,055.70 and 48,512,892.60
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Solution
The fourth proportional to 58,149,689.40, 87,130,055.70 and 48,512,892.60 is: 72,690,517.83
Step by Step Solution
- Step 1: Write the proportion equation
58,149,689.40 : 87,130,055.70 = 48,512,892.60 : x - Step 2: Convert to fraction form
58,149,689.40/87,130,055.70 = 48,512,892.60/x - Step 3: Cross multiply
58,149,689.40x = 87,130,055.70 × 48,512,892.60 - Step 4: Simplify right side
58,149,689.40x = 4,226,931,034,406,118 - Step 5: Solve for x
x = 4,226,931,034,406,118/58,149,689.40 - Step 6: Final answer
x = 72,690,517.83
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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.