Finding the Fourth Proportional to 206,903,297.70, 310,334,794.56 and 84,088,978.74
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Solution
The fourth proportional to 206,903,297.70, 310,334,794.56 and 84,088,978.74 is: 126,125,278.00
Step by Step Solution
- Step 1: Write the proportion equation
206,903,297.70 : 310,334,794.56 = 84,088,978.74 : x - Step 2: Convert to fraction form
206,903,297.70/310,334,794.56 = 84,088,978.74/x - Step 3: Cross multiply
206,903,297.70x = 310,334,794.56 × 84,088,978.74 - Step 4: Simplify right side
206,903,297.70x = 26,095,735,942,038,108 - Step 5: Solve for x
x = 26,095,735,942,038,108/206,903,297.70 - Step 6: Final answer
x = 126,125,278.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.