Finding the Fourth Proportional to 175,523,611.80, 263,285,417.70 and 89,430,169.80
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Solution
The fourth proportional to 175,523,611.80, 263,285,417.70 and 89,430,169.80 is: 134,145,254.70
Step by Step Solution
- Step 1: Write the proportion equation
175,523,611.80 : 263,285,417.70 = 89,430,169.80 : x - Step 2: Convert to fraction form
175,523,611.80/263,285,417.70 = 89,430,169.80/x - Step 3: Cross multiply
175,523,611.80x = 263,285,417.70 × 89,430,169.80 - Step 4: Simplify right side
175,523,611.80x = 23,545,659,610,774,924 - Step 5: Solve for x
x = 23,545,659,610,774,924/175,523,611.80 - Step 6: Final answer
x = 134,145,254.70
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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.