Finding the Fourth Proportional to 119,126,785.80, 178,690,178.70 and 88,893,697.80
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Solution
The fourth proportional to 119,126,785.80, 178,690,178.70 and 88,893,697.80 is: 133,340,546.70
Step by Step Solution
- Step 1: Write the proportion equation
119,126,785.80 : 178,690,178.70 = 88,893,697.80 : x - Step 2: Convert to fraction form
119,126,785.80/178,690,178.70 = 88,893,697.80/x - Step 3: Cross multiply
119,126,785.80x = 178,690,178.70 × 88,893,697.80 - Step 4: Simplify right side
119,126,785.80x = 15,884,430,745,185,796 - Step 5: Solve for x
x = 15,884,430,745,185,796/119,126,785.80 - Step 6: Final answer
x = 133,340,546.70
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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.