Finding the Fourth Proportional to 180,301,608.18, 248,813,777.67 and 100,916,646.06
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Solution
The fourth proportional to 180,301,608.18, 248,813,777.67 and 100,916,646.06 is: 139,263,604.96
Step by Step Solution
- Step 1: Write the proportion equation
180,301,608.18 : 248,813,777.67 = 100,916,646.06 : x - Step 2: Convert to fraction form
180,301,608.18/248,813,777.67 = 100,916,646.06/x - Step 3: Cross multiply
180,301,608.18x = 248,813,777.67 × 100,916,646.06 - Step 4: Simplify right side
180,301,608.18x = 25,109,451,935,974,920 - Step 5: Solve for x
x = 25,109,451,935,974,920/180,301,608.18 - Step 6: Final answer
x = 139,263,604.96
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.