Finding the Fourth Proportional to 85,100,581,368.60, 127,650,872,052.90 and 51,578,133,394.20
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Solution
The fourth proportional to 85,100,581,368.60, 127,650,872,052.90 and 51,578,133,394.20 is: 77,367,200,091.30
Step by Step Solution
- Step 1: Write the proportion equation
85,100,581,368.60 : 127,650,872,052.90 = 51,578,133,394.20 : x - Step 2: Convert to fraction form
85,100,581,368.60/127,650,872,052.90 = 51,578,133,394.20/x - Step 3: Cross multiply
85,100,581,368.60x = 127,650,872,052.90 × 51,578,133,394.20 - Step 4: Simplify right side
85,100,581,368.60x = 6,583,993,706,630,432,686,080 - Step 5: Solve for x
x = 6,583,993,706,630,432,686,080/85,100,581,368.60 - Step 6: Final answer
x = 77,367,200,091.30
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1.5x scale
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.