Finding the Fourth Proportional to 97,127,879.60, 145,691,819.40 and 48,754,938.80
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Solution
The fourth proportional to 97,127,879.60, 145,691,819.40 and 48,754,938.80 is: 73,132,408.20
Step by Step Solution
- Step 1: Write the proportion equation
97,127,879.60 : 145,691,819.40 = 48,754,938.80 : x - Step 2: Convert to fraction form
97,127,879.60/145,691,819.40 = 48,754,938.80/x - Step 3: Cross multiply
97,127,879.60x = 145,691,819.40 × 48,754,938.80 - Step 4: Simplify right side
97,127,879.60x = 7,103,195,738,507,653 - Step 5: Solve for x
x = 7,103,195,738,507,653/97,127,879.60 - Step 6: Final answer
x = 73,132,408.20
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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.