Finding the Fourth Proportional to 103,493,115.60, 155,239,673.40 and 88,104,946.20
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Solution
The fourth proportional to 103,493,115.60, 155,239,673.40 and 88,104,946.20 is: 132,157,419.30
Step by Step Solution
- Step 1: Write the proportion equation
103,493,115.60 : 155,239,673.40 = 88,104,946.20 : x - Step 2: Convert to fraction form
103,493,115.60/155,239,673.40 = 88,104,946.20/x - Step 3: Cross multiply
103,493,115.60x = 155,239,673.40 × 88,104,946.20 - Step 4: Simplify right side
103,493,115.60x = 13,677,383,073,012,572 - Step 5: Solve for x
x = 13,677,383,073,012,572/103,493,115.60 - Step 6: Final answer
x = 132,157,419.30
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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.