Finding the Fourth Proportional to 84,265,971.12, 126,398,955.15 and 23,681,697.12
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Solution
The fourth proportional to 84,265,971.12, 126,398,955.15 and 23,681,697.12 is: 35,522,545.25
Step by Step Solution
- Step 1: Write the proportion equation
84,265,971.12 : 126,398,955.15 = 23,681,697.12 : x - Step 2: Convert to fraction form
84,265,971.12/126,398,955.15 = 23,681,697.12/x - Step 3: Cross multiply
84,265,971.12x = 126,398,955.15 × 23,681,697.12 - Step 4: Simplify right side
84,265,971.12x = 2,993,341,772,146,764.50 - Step 5: Solve for x
x = 2,993,341,772,146,764.50/84,265,971.12 - Step 6: Final answer
x = 35,522,545.25
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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.